bump version to 0.1.6

Author: alyst

Project.toml

@@ -1,7 +1,7 @@
 name = "SpatialIndexing"
 uuid = "d4ead438-fe20-5cc5-a293-4fd39a41b74c"
 author = "Alexey Stukalov"
-version = "0.1.5"
+version = "0.1.6"
 
 [compat]
 julia = "1"
@@ -11,4 +11,4 @@ Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 
 [targets]
-test = ["Random", "Test"]
+test = ["Random", "Test"]