diff --git a/.gitignore b/.gitignore
index 499e5e5..b432291 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@
 /Manifest.toml
 /docs/build/
 /docs/site/
+/dev
diff --git a/.travis.yml b/.travis.yml
index 4d793e7..22ad5ad 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,10 +3,15 @@ language: julia
 os:
   - linux
   - osx
+  - windows
 julia:
   - 1.0
+  - 1.1
   - 1.2
   - nightly
+branches: # build master branch + PRs
+  only:
+  - master
 matrix:
   allow_failures:
     - julia: nightly
diff --git a/Project.toml b/Project.toml
index 238f17c..eab5c8e 100644
--- a/Project.toml
+++ b/Project.toml
@@ -5,10 +5,16 @@ version = "0.3.2"
 
 [deps]
 JuMP = "4076af6c-e467-56ae-b986-b466b2749572"
+LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
+Logging = "56ddb016-857b-54e1-b83d-db4d58db5568"
 MathOptInterface = "b8f27783-ece8-5eb3-8dc8-9495eed66fee"
 UnicodePlots = "b8865327-cd53-5732-bb35-84acbb429228"
-Logging = "56ddb016-857b-54e1-b83d-db4d58db5568"
-LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
+
+[compat]
+julia = "1"
+UnicodePlots = "1"
+MathOptInterface = "0.8"
+JuMP = "0.19"
 
 [extras]
 GLPK = "60bf3e95-4087-53dc-ae20-288a0d20c6a6"
diff --git a/src/TravelingSalesmanExact.jl b/src/TravelingSalesmanExact.jl
index cb12463..dd1e869 100644
--- a/src/TravelingSalesmanExact.jl
+++ b/src/TravelingSalesmanExact.jl
@@ -244,7 +244,7 @@ function _get_optimal_tour(cost::AbstractMatrix, with_optimizer, symmetric, verb
     if verbose
         @info "Optimization finished; adaptively disallowed $tot_cycles cycles."
         @info "Final path has length $(objective_value(model))." 
-        @info "Final problem has $(length(model.variable_to_zero_one)) binary variables, $(num_constraints(model, GenericAffExpr{Float64,VariableRef}, MOI.LessThan{Float64})) inequality constraints, and $(num_constraints(model, GenericAffExpr{Float64,VariableRef}, MOI.EqualTo{Float64})) equality constraints."
+        @info "Final problem has $(num_constraints(model, VariableRef, MOI.ZeroOne)) binary variables, $(num_constraints(model, GenericAffExpr{Float64,VariableRef}, MOI.LessThan{Float64})) inequality constraints, and $(num_constraints(model, GenericAffExpr{Float64,VariableRef}, MOI.EqualTo{Float64})) equality constraints."
     end
     return find_cycle(value.(tour_matrix)), objective_value(model)
 end
@@ -270,4 +270,4 @@ function simple_parse_tsp(filename; verbose = true)
     return cities
 end
 
-end # module
\ No newline at end of file
+end # module
diff --git a/test/runtests.jl b/test/runtests.jl
index a08d84a..5883c98 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -35,14 +35,6 @@ function test_tour(input, opt = TravelingSalesmanExact.get_default_optimizer();
     return t, c
 end
 
-@testset "att48.tsp" begin
-    cities = simple_parse_tsp(joinpath(@__DIR__, "att48.tsp"))
-    sym_tour, sym_cost = test_tour(cities; distance = TravelingSalesmanExact.ATT, verbose = true)
-    @test sym_cost ≈ 10628
-
-    asym_tour, asym_cost = test_tour(cities; distance = TravelingSalesmanExact.ATT, symmetric = false)
-    @test asym_cost ≈ 10628 
-end
 
 @testset "Small random asymmetric" begin
     # chosen via rand(5,5)
@@ -91,4 +83,13 @@ end
     TravelingSalesmanExact.reset_default_optimizer!()
     @test_throws ArgumentError test_tour(cost)
     set_default_optimizer!(with_optimizer(GLPK.Optimizer))
-end
\ No newline at end of file
+end
+
+@testset "att48.tsp" begin
+    cities = simple_parse_tsp(joinpath(@__DIR__, "att48.tsp"))
+    sym_tour, sym_cost = test_tour(cities; distance = TravelingSalesmanExact.ATT, verbose = true)
+    @test sym_cost ≈ 10628
+
+    asym_tour, asym_cost = test_tour(cities; distance = TravelingSalesmanExact.ATT, symmetric = false)
+    @test asym_cost ≈ 10628 
+end