diff --git a/package-lock.json b/package-lock.json
index 775cf7331..226380e49 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "leaflet-environmental-layers",
-  "version": "1.0.1",
+  "version": "1.0.2",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -10,8 +10,8 @@
       "integrity": "sha1-wQI3G27Dp887hHygDCC7D85Mbeo=",
       "dev": true,
       "requires": {
-        "jsonparse": "1.3.1",
-        "through": "2.3.8"
+        "jsonparse": "^1.2.0",
+        "through": ">=2.2.7 <3"
       }
     },
     "abbrev": {
@@ -32,8 +32,8 @@
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       "dev": true,
       "requires": {
-        "acorn": "5.5.3",
-        "xtend": "4.0.1"
+        "acorn": "^5.4.1",
+        "xtend": "^4.0.1"
       },
       "dependencies": {
         "acorn": {
@@ -50,10 +50,10 @@
       "integrity": "sha1-c7Xuyj+rZT49P5Qis0GtQiBdyWU=",
       "dev": true,
       "requires": {
-        "co": "4.6.0",
-        "fast-deep-equal": "1.1.0",
-        "fast-json-stable-stringify": "2.0.0",
-        "json-schema-traverse": "0.3.1"
+        "co": "^4.6.0",
+        "fast-deep-equal": "^1.0.0",
+        "fast-json-stable-stringify": "^2.0.0",
+        "json-schema-traverse": "^0.3.0"
       }
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     "align-text": {
@@ -62,9 +62,9 @@
       "integrity": "sha1-DNkKVhCT810KmSVsIrcGlDP60Rc=",
       "dev": true,
       "requires": {
-        "kind-of": "3.2.2",
-        "longest": "1.0.1",
-        "repeat-string": "1.6.1"
+        "kind-of": "^3.0.2",
+        "longest": "^1.0.1",
+        "repeat-string": "^1.5.2"
       }
     },
     "amdefine": {
@@ -91,8 +91,8 @@
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       "dev": true,
       "requires": {
-        "micromatch": "2.3.11",
-        "normalize-path": "2.1.1"
+        "micromatch": "^2.1.5",
+        "normalize-path": "^2.0.0"
       }
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     "argparse": {
@@ -101,7 +101,7 @@
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       "dev": true,
       "requires": {
-        "sprintf-js": "1.0.3"
+        "sprintf-js": "~1.0.2"
       }
     },
     "arr-diff": {
@@ -110,7 +110,7 @@
       "integrity": "sha1-jzuCf5Vai9ZpaX5KQlasPOrjVs8=",
       "dev": true,
       "requires": {
-        "arr-flatten": "1.1.0"
+        "arr-flatten": "^1.0.1"
       }
     },
     "arr-flatten": {
@@ -161,9 +161,9 @@
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       "dev": true,
       "requires": {
-        "bn.js": "4.11.8",
-        "inherits": "2.0.3",
-        "minimalistic-assert": "1.0.1"
+        "bn.js": "^4.0.0",
+        "inherits": "^2.0.1",
+        "minimalistic-assert": "^1.0.0"
       }
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@@ -187,7 +187,7 @@
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       "dev": true,
       "requires": {
-        "acorn": "4.0.13"
+        "acorn": "^4.0.3"
       }
     },
     "async": {
@@ -239,7 +239,7 @@
       "dev": true,
       "optional": true,
       "requires": {
-        "tweetnacl": "0.14.5"
+        "tweetnacl": "^0.14.3"
       }
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@@ -254,51 +254,16 @@
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       "dev": true
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-    "body-parser": {
-      "version": "1.14.2",
-      "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.14.2.tgz",
-      "integrity": "sha1-EBXLH+LEQ4WCWVgdtTMy+NDPUPk=",
+    "body": {
+      "version": "5.1.0",
+      "resolved": "https://registry.npmjs.org/body/-/body-5.1.0.tgz",
+      "integrity": "sha1-5LoM5BCkaTYyM2dgnstOZVMSUGk=",
       "dev": true,
       "requires": {
-        "bytes": "2.2.0",
-        "content-type": "1.0.4",
-        "debug": "2.2.0",
-        "depd": "1.1.2",
-        "http-errors": "1.3.1",
-        "iconv-lite": "0.4.13",
-        "on-finished": "2.3.0",
-        "qs": "5.2.0",
-        "raw-body": "2.1.7",
-        "type-is": "1.6.16"
-      },
-      "dependencies": {
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-          "version": "2.2.0",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-2.2.0.tgz",
-          "integrity": "sha1-+HBX6ZWxofauaklgZkE3vFbwOdo=",
-          "dev": true,
-          "requires": {
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-          }
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-        "iconv-lite": {
-          "version": "0.4.13",
-          "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.4.13.tgz",
-          "integrity": "sha1-H4irpKsLFQjoMSrMOTRfNumS4vI=",
-          "dev": true
-        },
-        "ms": {
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-          "resolved": "https://registry.npmjs.org/ms/-/ms-0.7.1.tgz",
-          "integrity": "sha1-nNE8A62/8ltl7/3nzoZO6VIBcJg=",
-          "dev": true
-        },
-        "qs": {
-          "version": "5.2.0",
-          "resolved": "https://registry.npmjs.org/qs/-/qs-5.2.0.tgz",
-          "integrity": "sha1-qfMRQq9GjLcrJbMBNrokVoNJFr4=",
-          "dev": true
-        }
+        "continuable-cache": "^0.3.1",
+        "error": "^7.0.0",
+        "raw-body": "~1.1.0",
+        "safe-json-parse": "~1.0.1"
       }
     },
     "boom": {
@@ -307,7 +272,7 @@
       "integrity": "sha1-T4owBctKfjiJ90kDD9JbluAdLjE=",
       "dev": true,
       "requires": {
-        "hoek": "4.2.1"
+        "hoek": "4.x.x"
       }
     },
     "bootstrap": {
@@ -322,7 +287,7 @@
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       "dev": true,
       "requires": {
-        "balanced-match": "1.0.0",
+        "balanced-match": "^1.0.0",
         "concat-map": "0.0.1"
       }
     },
@@ -332,9 +297,9 @@
       "integrity": "sha1-uneWLhLf+WnWt2cR6RS3N4V79qc=",
       "dev": true,
       "requires": {
-        "expand-range": "1.8.2",
-        "preserve": "0.2.0",
-        "repeat-element": "1.1.2"
+        "expand-range": "^1.8.1",
+        "preserve": "^0.2.0",
+        "repeat-element": "^1.1.2"
       }
     },
     "brorand": {
@@ -349,12 +314,12 @@
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       "dev": true,
       "requires": {
-        "JSONStream": "1.3.2",
-        "combine-source-map": "0.8.0",
-        "defined": "1.0.0",
-        "safe-buffer": "5.1.2",
-        "through2": "2.0.3",
-        "umd": "3.0.3"
+        "JSONStream": "^1.0.3",
+        "combine-source-map": "~0.8.0",
+        "defined": "^1.0.0",
+        "safe-buffer": "^5.1.1",
+        "through2": "^2.0.0",
+        "umd": "^3.0.0"
       }
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@@ -380,54 +345,54 @@
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       "dev": true,
       "requires": {
-        "JSONStream": "1.3.2",
-        "assert": "1.4.1",
-        "browser-pack": "6.1.0",
-        "browser-resolve": "1.11.2",
-        "browserify-zlib": "0.2.0",
-        "buffer": "5.1.0",
-        "cached-path-relative": "1.0.1",
-        "concat-stream": "1.6.2",
-        "console-browserify": "1.1.0",
-        "constants-browserify": "1.0.0",
-        "crypto-browserify": "3.12.0",
-        "defined": "1.0.0",
-        "deps-sort": "2.0.0",
-        "domain-browser": "1.2.0",
-        "duplexer2": "0.1.4",
-        "events": "2.0.0",
-        "glob": "7.1.2",
-        "has": "1.0.1",
-        "htmlescape": "1.1.1",
-        "https-browserify": "1.0.0",
-        "inherits": "2.0.3",
-        "insert-module-globals": "7.0.6",
-        "labeled-stream-splicer": "2.0.1",
-        "mkdirp": "0.5.1",
-        "module-deps": "6.0.2",
-        "os-browserify": "0.3.0",
-        "parents": "1.0.1",
-        "path-browserify": "0.0.0",
-        "process": "0.11.10",
-        "punycode": "1.4.1",
-        "querystring-es3": "0.2.1",
-        "read-only-stream": "2.0.0",
-        "readable-stream": "2.3.6",
-        "resolve": "1.7.1",
-        "shasum": "1.0.2",
-        "shell-quote": "1.6.1",
-        "stream-browserify": "2.0.1",
-        "stream-http": "2.8.1",
-        "string_decoder": "1.1.1",
-        "subarg": "1.0.0",
-        "syntax-error": "1.4.0",
-        "through2": "2.0.3",
-        "timers-browserify": "1.4.2",
+        "JSONStream": "^1.0.3",
+        "assert": "^1.4.0",
+        "browser-pack": "^6.0.1",
+        "browser-resolve": "^1.11.0",
+        "browserify-zlib": "~0.2.0",
+        "buffer": "^5.0.2",
+        "cached-path-relative": "^1.0.0",
+        "concat-stream": "^1.6.0",
+        "console-browserify": "^1.1.0",
+        "constants-browserify": "~1.0.0",
+        "crypto-browserify": "^3.0.0",
+        "defined": "^1.0.0",
+        "deps-sort": "^2.0.0",
+        "domain-browser": "^1.2.0",
+        "duplexer2": "~0.1.2",
+        "events": "^2.0.0",
+        "glob": "^7.1.0",
+        "has": "^1.0.0",
+        "htmlescape": "^1.1.0",
+        "https-browserify": "^1.0.0",
+        "inherits": "~2.0.1",
+        "insert-module-globals": "^7.0.0",
+        "labeled-stream-splicer": "^2.0.0",
+        "mkdirp": "^0.5.0",
+        "module-deps": "^6.0.0",
+        "os-browserify": "~0.3.0",
+        "parents": "^1.0.1",
+        "path-browserify": "~0.0.0",
+        "process": "~0.11.0",
+        "punycode": "^1.3.2",
+        "querystring-es3": "~0.2.0",
+        "read-only-stream": "^2.0.0",
+        "readable-stream": "^2.0.2",
+        "resolve": "^1.1.4",
+        "shasum": "^1.0.0",
+        "shell-quote": "^1.6.1",
+        "stream-browserify": "^2.0.0",
+        "stream-http": "^2.0.0",
+        "string_decoder": "^1.1.1",
+        "subarg": "^1.0.0",
+        "syntax-error": "^1.1.1",
+        "through2": "^2.0.0",
+        "timers-browserify": "^1.0.1",
         "tty-browserify": "0.0.1",
-        "url": "0.11.0",
-        "util": "0.10.3",
-        "vm-browserify": "1.0.1",
-        "xtend": "4.0.1"
+        "url": "~0.11.0",
+        "util": "~0.10.1",
+        "vm-browserify": "^1.0.0",
+        "xtend": "^4.0.0"
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@@ -436,12 +401,12 @@
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-        "cipher-base": "1.0.4",
-        "create-hash": "1.2.0",
-        "evp_bytestokey": "1.0.3",
-        "inherits": "2.0.3",
-        "safe-buffer": "5.1.2"
+        "buffer-xor": "^1.0.3",
+        "cipher-base": "^1.0.0",
+        "create-hash": "^1.1.0",
+        "evp_bytestokey": "^1.0.3",
+        "inherits": "^2.0.1",
+        "safe-buffer": "^5.0.1"
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@@ -450,9 +415,9 @@
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       "dev": true,
       "requires": {
-        "async": "1.5.2",
-        "through2": "2.0.3",
-        "xtend": "4.0.1"
+        "async": "^1.5.2",
+        "through2": "^2.0.0",
+        "xtend": "^4.0.0"
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@@ -461,9 +426,9 @@
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       "dev": true,
       "requires": {
-        "browserify-aes": "1.2.0",
-        "browserify-des": "1.0.1",
-        "evp_bytestokey": "1.0.3"
+        "browserify-aes": "^1.0.4",
+        "browserify-des": "^1.0.0",
+        "evp_bytestokey": "^1.0.0"
       }
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@@ -472,9 +437,9 @@
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       "dev": true,
       "requires": {
-        "cipher-base": "1.0.4",
-        "des.js": "1.0.0",
-        "inherits": "2.0.3"
+        "cipher-base": "^1.0.1",
+        "des.js": "^1.0.0",
+        "inherits": "^2.0.1"
       }
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     "browserify-incremental": {
@@ -483,10 +448,10 @@
       "integrity": "sha1-BxPLdYckemMqnwjPG9FpuHi2Koo=",
       "dev": true,
       "requires": {
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-        "browserify-cache-api": "3.0.1",
-        "through2": "2.0.3",
-        "xtend": "4.0.1"
+        "JSONStream": "^0.10.0",
+        "browserify-cache-api": "^3.0.0",
+        "through2": "^2.0.0",
+        "xtend": "^4.0.0"
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@@ -496,7 +461,7 @@
           "dev": true,
           "requires": {
             "jsonparse": "0.0.5",
-            "through": "2.3.8"
+            "through": ">=2.2.7 <3"
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@@ -513,8 +478,8 @@
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       "dev": true,
       "requires": {
-        "bn.js": "4.11.8",
-        "randombytes": "2.0.6"
+        "bn.js": "^4.1.0",
+        "randombytes": "^2.0.1"
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@@ -523,13 +488,13 @@
       "integrity": "sha1-qk62jl17ZYuqa/alfmMMvXqT0pg=",
       "dev": true,
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-        "browserify-rsa": "4.0.1",
-        "create-hash": "1.2.0",
-        "create-hmac": "1.1.7",
-        "elliptic": "6.4.0",
-        "inherits": "2.0.3",
-        "parse-asn1": "5.1.1"
+        "bn.js": "^4.1.1",
+        "browserify-rsa": "^4.0.0",
+        "create-hash": "^1.1.0",
+        "create-hmac": "^1.1.2",
+        "elliptic": "^6.0.0",
+        "inherits": "^2.0.1",
+        "parse-asn1": "^5.0.0"
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@@ -538,7 +503,7 @@
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       "dev": true,
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-        "pako": "1.0.6"
+        "pako": "~1.0.5"
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@@ -547,8 +512,8 @@
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       "dev": true,
       "requires": {
-        "base64-js": "1.3.0",
-        "ieee754": "1.1.11"
+        "base64-js": "^1.0.2",
+        "ieee754": "^1.1.4"
       }
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@@ -576,9 +541,9 @@
       "dev": true
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-      "resolved": "https://registry.npmjs.org/bytes/-/bytes-2.2.0.tgz",
-      "integrity": "sha1-/TVGSkA/b5EXwt42Cez/nK4ABYg=",
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/bytes/-/bytes-1.0.0.tgz",
+      "integrity": "sha1-NWnt6Lo0MV+rmcPpLLBMciDeH6g=",
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@@ -599,8 +564,8 @@
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       "dev": true,
       "requires": {
-        "camelcase": "2.1.1",
-        "map-obj": "1.0.1"
+        "camelcase": "^2.0.0",
+        "map-obj": "^1.0.0"
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@@ -615,8 +580,8 @@
       "integrity": "sha1-qg0yYptu6XIgBBHL1EYckHvCt60=",
       "dev": true,
       "requires": {
-        "align-text": "0.1.4",
-        "lazy-cache": "1.0.4"
+        "align-text": "^0.1.3",
+        "lazy-cache": "^1.0.3"
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@@ -625,11 +590,11 @@
       "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
       "dev": true,
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-        "escape-string-regexp": "1.0.5",
-        "has-ansi": "2.0.0",
-        "strip-ansi": "3.0.1",
-        "supports-color": "2.0.0"
+        "ansi-styles": "^2.2.1",
+        "escape-string-regexp": "^1.0.2",
+        "has-ansi": "^2.0.0",
+        "strip-ansi": "^3.0.0",
+        "supports-color": "^2.0.0"
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     "chokidar": {
@@ -638,15 +603,546 @@
       "integrity": "sha1-eY5ol3gVHIB2tLNg5e3SjNortGg=",
       "dev": true,
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-        "fsevents": "1.2.3",
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-        "inherits": "2.0.3",
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-        "is-glob": "2.0.1",
-        "path-is-absolute": "1.0.1",
-        "readdirp": "2.1.0"
+        "anymatch": "^1.3.0",
+        "async-each": "^1.0.0",
+        "fsevents": "^1.0.0",
+        "glob-parent": "^2.0.0",
+        "inherits": "^2.0.1",
+        "is-binary-path": "^1.0.0",
+        "is-glob": "^2.0.0",
+        "path-is-absolute": "^1.0.0",
+        "readdirp": "^2.0.0"
+      },
+      "dependencies": {
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+                "minipass": "^2.2.4",
+                "minizlib": "^1.1.0",
+                "mkdirp": "^0.5.0",
+                "safe-buffer": "^5.1.1",
+                "yallist": "^3.0.2"
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+              "bundled": true,
+              "dev": true
+            }
+          }
+        }
       }
     },
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@@ -655,8 +1151,8 @@
       "integrity": "sha512-Kkht5ye6ZGmwv40uUDZztayT2ThLQGfnj/T71N/XzeZeo3nf8foyW7zGTsPYkEya3m5f3cAypH+qe7YOrM1U2Q==",
       "dev": true,
       "requires": {
-        "inherits": "2.0.3",
-        "safe-buffer": "5.1.2"
+        "inherits": "^2.0.1",
+        "safe-buffer": "^5.0.1"
       }
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     "cli": {
@@ -666,7 +1162,7 @@
       "dev": true,
       "requires": {
         "exit": "0.1.2",
-        "glob": "7.1.2"
+        "glob": "^7.1.1"
       }
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@@ -675,8 +1171,8 @@
       "integrity": "sha1-S0dXYP+AJkx2LDoXGQMukcf+oNE=",
       "dev": true,
       "requires": {
-        "center-align": "0.1.3",
-        "right-align": "0.1.3",
+        "center-align": "^0.1.1",
+        "right-align": "^0.1.1",
         "wordwrap": "0.0.2"
       }
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@@ -692,6 +1188,21 @@
       "integrity": "sha1-56qDAZF+9iGzXYo580jc3R234z4=",
       "dev": true
     },
+    "color-convert": {
+      "version": "1.9.3",
+      "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-1.9.3.tgz",
+      "integrity": "sha512-QfAUtd+vFdAtFQcC8CCyYt1fYWxSqAiK2cSD6zDB8N3cpsEBAvRxp9zOGg6G/SHHJYAT88/az/IuDGALsNVbGg==",
+      "dev": true,
+      "requires": {
+        "color-name": "1.1.3"
+      }
+    },
+    "color-name": {
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.3.tgz",
+      "integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=",
+      "dev": true
+    },
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       "resolved": "https://registry.npmjs.org/colors/-/colors-1.1.2.tgz",
@@ -704,10 +1215,10 @@
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-        "inline-source-map": "0.6.2",
-        "lodash.memoize": "3.0.4",
-        "source-map": "0.5.7"
+        "convert-source-map": "~1.1.0",
+        "inline-source-map": "~0.6.0",
+        "lodash.memoize": "~3.0.3",
+        "source-map": "~0.5.3"
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@@ -716,7 +1227,7 @@
       "integrity": "sha1-cj599ugBrFYTETp+RFqbactjKBg=",
       "dev": true,
       "requires": {
-        "delayed-stream": "1.0.0"
+        "delayed-stream": "~1.0.0"
       }
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@@ -731,10 +1242,10 @@
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       "dev": true,
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-        "buffer-from": "1.0.0",
-        "inherits": "2.0.3",
-        "readable-stream": "2.3.6",
-        "typedarray": "0.0.6"
+        "buffer-from": "^1.0.0",
+        "inherits": "^2.0.3",
+        "readable-stream": "^2.2.2",
+        "typedarray": "^0.0.6"
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@@ -743,7 +1254,7 @@
       "integrity": "sha1-8CQcRXMKn8YyOyBtvzjtx0HQuxA=",
       "dev": true,
       "requires": {
-        "date-now": "0.1.4"
+        "date-now": "^0.1.4"
       }
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@@ -752,10 +1263,10 @@
       "integrity": "sha1-wguW2MYXdIqvHBYCF2DNJ/y4y3U=",
       "dev": true
     },
-    "content-type": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/content-type/-/content-type-1.0.4.tgz",
-      "integrity": "sha512-hIP3EEPs8tB9AT1L+NUqtwOAps4mk2Zob89MWXMHjHWg9milF/j4osnnQLXBCBFBk/tvIG/tUc9mOUJiPBhPXA==",
+    "continuable-cache": {
+      "version": "0.3.1",
+      "resolved": "https://registry.npmjs.org/continuable-cache/-/continuable-cache-0.3.1.tgz",
+      "integrity": "sha1-vXJ6f67XfnH/OYWskzUakSczrQ8=",
       "dev": true
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@@ -776,8 +1287,8 @@
       "integrity": "sha512-iZvCCg8XqHQZ1ioNBTzXS/cQSkqkqcPs8xSX4upNB+DAk9Ht3uzQf2J32uAHNCne8LDmKr29AgZrEs4oIrwLuQ==",
       "dev": true,
       "requires": {
-        "bn.js": "4.11.8",
-        "elliptic": "6.4.0"
+        "bn.js": "^4.1.0",
+        "elliptic": "^6.0.0"
       }
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@@ -786,11 +1297,11 @@
       "integrity": "sha512-z00bCGNHDG8mHAkP7CtT1qVu+bFQUPjYq/4Iv3C3kWjTFV10zIjfSoeqXo9Asws8gwSHDGj/hl2u4OGIjapeCg==",
       "dev": true,
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-        "cipher-base": "1.0.4",
-        "inherits": "2.0.3",
-        "md5.js": "1.3.4",
-        "ripemd160": "2.0.2",
-        "sha.js": "2.4.11"
+        "cipher-base": "^1.0.1",
+        "inherits": "^2.0.1",
+        "md5.js": "^1.3.4",
+        "ripemd160": "^2.0.1",
+        "sha.js": "^2.4.0"
       }
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@@ -799,12 +1310,12 @@
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       "dev": true,
       "requires": {
-        "cipher-base": "1.0.4",
-        "create-hash": "1.2.0",
-        "inherits": "2.0.3",
-        "ripemd160": "2.0.2",
-        "safe-buffer": "5.1.2",
-        "sha.js": "2.4.11"
+        "cipher-base": "^1.0.3",
+        "create-hash": "^1.1.0",
+        "inherits": "^2.0.1",
+        "ripemd160": "^2.0.0",
+        "safe-buffer": "^5.0.1",
+        "sha.js": "^2.4.8"
       }
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@@ -813,7 +1324,7 @@
       "integrity": "sha1-qJ+7Ig9c4l7FboxKqKT9e1sNKf4=",
       "dev": true,
       "requires": {
-        "boom": "5.2.0"
+        "boom": "5.x.x"
       },
       "dependencies": {
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diff --git a/package.json b/package.json
index 7aed1981e..626532822 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "leaflet-environmental-layers",
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+  "version": "1.0.3",
   "description": "",
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