Add basic methods (such as toString, equals, hashCode from Object class) to the Typed Classes in TyperUtils.java

This bug is raised to address this TODO in TyperUtils.java.

/*

• TODO : Handle the methods provided by Object class (such as toString, hashCode, equals, etc.).
• Reintroduce throwing RuntimeException("Unsupported method : "+method.getName()); after these methods
• are handled
  */