bump to v0.1.6

Author: dfridovi

Project.toml

@@ -1,7 +1,7 @@
 name = "MixedComplementarityProblems"
 uuid = "6c9e26cb-9263-41b8-a6c6-f4ca104ccdcd"
 authors = ["David Fridovich-Keil <dfk@utexas.edu>"]
-version = "0.1.5"
+version = "0.1.6"
 
 [deps]
 BlockArrays = "8e7c35d0-a365-5155-bbbb-fb81a777f24e"