Written test cases for Num type constraints (bug 70539)
Added test cases for undef and 0 but true
Removed looks_like_number and added regex
Changes for getting rid of warning due to undef in tests
Corrected the regular expression for Num
Replaced lib/Moose/Util/TypeConstraints/Builtins.pm with lib/Moose/Util/TypeConstraints/Builtins.pm[1] in inline_as
removed strings which ends with newlines from accept in Num
Added documentation for string caching
Added documentation for Num fixing
Wrapped lines to 80 characters
Fixed indentation
Removed trailing whitespace
Fixed indentation