Use "statement" instead of "query"
Added note about the default consistency level
Documentation galore
Moved errors around
Made helper classes of Client public

Plus some small code changes
Fixed the lack of input validation in UUID
Fixed an issue in Client#start!

If an error was raised during startup the client thought it was started.
Fail requests when there's an encoding issue
Test with JRuby 1.6.8 too
Added the gemspec directive to the Gemfile
Removed bad require from the Rakefile
Version bump to v1.0.0.pre1