added custom rack roc error class to raise custom errors (with code and optionally data)
added Gemfile for more easy development
test on travis ci with jruby and ruby in 1.8 and 1.9
updated authors and version
added rake as dev dependency for travis
added travis ci status to readme page
added json as a development dependency
fixed problem with optional arguments on some rubies
added monkey patch to fix xmlwriter for 1.9 and jruby
filed a issue on jruby because of the errors
debug on travis ci (more output)
show on stderr...
fixed specs
use also rubinius for travis ci
ignore rubinius files
created version 0.0.9
added version 0.0.10
added lower ruby version to install in jruby
Merge pull request #9 from threez/master

Custom Exceptions