Revision history for overload-substr

0.01_003 CHANGES:
         * Implement LVALUE context, in both get and set forms

0.01_002 CHANGES:
         * Support bare name for substr method
         * Croak on attempts to be called in LVALUE context
           - TODO: actually implement LVALUE context

0.01_001 First version, released on an unsuspecting world.

