Updated ToolSet and TS constants.
Updated .gitignore.
Updated constants in ext.
Replaced File.exists? with File.exist?
Updated extconf.rb from 2.0.
Updated toolset dependency in gemspec.
Bumped version to 1.1.0.0.
Fixed Regexp options values.
Bumped version to 1.1.0.1.
Added mbchar machinery from MRI 1.8.7.
Regen'd parser.
Bumped version to 1.1.1.0.
Replaced use of rb_get_kcode for 1.9+.
Bumped version to 1.1.1.1.