Upgrade plugin version (#163)

From 3.1.0-EAP to 3.2.0-EAP

Author: wuseal

build.gradle

@@ -20,7 +20,7 @@ apply plugin: 'kotlin'
 apply plugin: 'org.jetbrains.intellij'
 
 group 'wu.seal'
-version '3.1.0-EAP'
+version '3.2.0-EAP'
 
 intellij {
     version '2017.1'