Merge pull request #72 from opencobra/develop

Regular merge of develop

Author: laurentheirendt

Project.toml

@@ -1,6 +1,6 @@
 name = "COBRA"
 uuid = "58298e0b-d05c-52ec-a210-0694647ebfc7"
-version = "0.3.1"
+version = "0.3.2"
 
 [deps]
 CPLEX = "a076750e-1247-5638-91d2-ce28b192dca0"
@@ -15,6 +15,12 @@ Pkg = "44cfe95a-1eb2-52ea-b672-e2afdf69b78f"
 SparseArrays = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"
 
 [compat]
+CPLEX = "0.6"
+GLPK = "0.12"
+GLPKMathProgInterface = "0.4"
+HTTP = "0.8"
+MathProgBase = "0.7"
+MAT = "0.7"
 julia = "1"
 
 [extras]