Merge pull request #19 from FarshidRoohi/master

fix shiiit

Author: FarshidRoohi

qlroid/build.gradle

@@ -22,7 +22,7 @@ android {
 
 }
 
-def versionLib = '0.0.11'
+def versionLib = '0.0.12'
 
 group = 'com.zarinpal'
 version = versionLib

qlroid/src/main/java/com/github/imanx/QLroid/Mutation.java

@@ -43,7 +43,7 @@ public String getQuery() {
 
         query = String.format(query,
                 "(" + mutationRaw + ")",
-                getModel() == null ? "" : ":" + getModel().getResponseModelName(),
+                getModel() == null ? "" : String.format("%s :", getModel().getResponseModelName()),
                 getOperationName(),
                 params,
                 fields