Update dependency versions (#40)

* Add upper bounds to dependency versions

and also drop compatibility for legacy versions

* ImageSegmentation v1.4.0

Author: johnnychen94

Project.toml

@@ -1,6 +1,6 @@
 name = "ImageSegmentation"
 uuid = "80713f31-8817-5129-9cf8-209ff8fb23e1"
-version = "1.3"
+version = "1.4.0"
 
 [deps]
 Clustering = "aaaa29a8-35af-508c-8bc3-b662a17a0fe5"
@@ -16,16 +16,16 @@ StaticArrays = "90137ffa-7385-5640-81b9-e52037218182"
 Statistics = "10745b16-79ce-11e8-11f9-7d13ad32a3b2"
 
 [compat]
-Clustering = ">= 0.9.0"
-DataStructures = ">= 0.7.1"
+Clustering = "0.10, 0.11, 0.12, 0.13"
+DataStructures = "0.12, 0.13, 0.14, 0.15, 0.16, 0.17"
 Distances = "0.8"
-ImageFiltering = ">= 0.1.3"
-Images = ">= 0.9"
-LightGraphs = ">= 0.9.0"
-RegionTrees = ">= 0.1.0"
-SimpleWeightedGraphs = ">= 0.0.1"
-StaticArrays = ">= 0.5.0"
-julia = ">= 1.0"
+ImageFiltering = "0.6"
+Images = "0.18, 0.19, 0.20"
+LightGraphs = "1.1, 1.2, 1.3"
+RegionTrees = "0.2, 0.3"
+SimpleWeightedGraphs = "1.0, 1.1"
+StaticArrays = "0.9, 0.10, 0.11, 0.12"
+julia = "1"
 
 [extras]
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"