Fix #68: also ignore .git etc folder

Instead of just the files/folders *within*. Fix provided by mattgreen:
watchexec/watchexec@6ebb7bc

Author: passcod

src/main.rs

@@ -78,11 +78,11 @@ fn get_ignores(debug: bool, matches: &ArgMatches) -> (bool, Vec<String>) {
     opts.push(format!("*{}.DS_Store", MAIN_SEPARATOR));
     opts.push("*.swp".into());
 
-    opts.push(format!("*{s}.hg{s}*", s=MAIN_SEPARATOR));
-    opts.push(format!("*{s}.git{s}*", s=MAIN_SEPARATOR));
-    opts.push(format!("*{s}.svn{s}*", s=MAIN_SEPARATOR));
+    opts.push(format!("*{s}.hg{s}**", s=MAIN_SEPARATOR));
+    opts.push(format!("*{s}.git{s}**", s=MAIN_SEPARATOR));
+    opts.push(format!("*{s}.svn{s}**", s=MAIN_SEPARATOR));
 
-    opts.push(format!("*{s}target{s}*", s=MAIN_SEPARATOR));
+    opts.push(format!("*{s}target{s}**", s=MAIN_SEPARATOR));
 
     if debug {
         println!(">>> Default ignores: {:?}", opts);