Merge pull request #40 from piglop/users_and_contributions

Users and contributions
Add email_user method and sample script
Bump version
Add status
Ruby 1.9.3 require -> require_relative fixes.
rcov -> simplecov.
Test utf-8 char hack.
Adding rvmrc.
Adding Bundler support.
all tests passing
limit max results to 500. It means, 10 requests of 50 results each
fix offset string to integer problem
- contributions() no longer ignores a user-provided ucstart param
contributions() no longer ignores a user-provided ucstart param
Merge pull request #42 from abartov/ucstart

contributions() no longer ignores a user-provided ucstart param
added images() method, returning array of image file names for given article or pageid.  Follows redirects.
Merge branch 'abartov-master'
Rename, update samples
Replace Wikitravel with Wikivoyage
Version bump, deps for Ruby 1.9.3, remove stray putses
Fix formatting
"bot" flag is only allowed in "edit" action type; it would just fail any other API queries otherwise