Changed project version to v1.2.1

Author: sidhant92

build.gradle

@@ -22,7 +22,7 @@ sourceCompatibility = 1.8
 targetCompatibility = 1.8
 
 group 'com.github.sidhant92'
-version = "1.2.0"
+version = "1.2.1"
 
 apply plugin: "com.dipien.semantic-version"