Added the 'while' loop;
Added support for object initialization directly from Sidef code;
Added a 'dump' function for almost every object to print a valid sidef code that can init back the $self object.
Improved the support for Pipe and PipeHandle;
Improved the readline() function; not it returns Nil at eof.
Improved the Nil module.
No more run-time dies when a method can't be found in a specific package.