removed obsolete typecheck attr removed obsolete 'klass' stuff rename_variables() now takes a datatypes arg [to avoid renaming constructors]
removed obsolete typecheck attr
removed obsolete 'klass' stuff
rename_variables() now takes a datatypes arg [to avoid renaming constructors]


samrushing/irken-compiler,samrushing/irken-compiler,samrushing/irken-compiler,samrushing/irken-compiler