``__END__'' must start at the beginning of the line.

Support ``__END__'' as the mark of the end of a script (ISO Ruby).

Conflicts:
	src/variable.c

Force to remove mrblib/mrblib.d

simple fix for underflow / capture errors and warnings

Fix SEGV when calling Proc object created by Proc.new

Fixed to forget to remove some files on 'make clean'

Ignore files created from building

simple typo in a comment

Remove unnecessary check for size_t < 0