add EditText
support to return (not nested) array of Object
delete useless local ref
exception check after java method
Module#inherited is called in Class#new
convert to mruby class when retval is java.lang.Class
attach_auto load constatns
call attach_auto when Java::Lang::Object is inherited
most jclass inherite java.lang.Object
call attach_auto from basic classea
make alias in util.rb
attach with camel-case
rename JClass -> Definition
make alias even methods used in util
return value can be [Class]
bugfix: set DATA_TYPE in call_constructor