added method cast_characters and cast_members_characters

to assosiate cast members cast characters
added specs for cast_characters and cast_members_characters
Merge pull request #26 from HeeL/master

Added ability to get the url with the movie trailer page
Updated README for running tests
Updated History for upcoming release
updated code and gems a bit
Bump to v0.6.7
Updated README/Rdoc generation
Merged kalos' cast_members. Closes #23
Bump to 0.6.8
Added plot summary and synopsis
search bugfix
Add specs for plot_synopsis and plot_summary
adding production company
adding company info
updates dependencies

both runtime and development dependencies updated to recent
versions.
Update imdb fixtures and fix issues

Updated imdb fixtures to latest version.

Removed aka from search results because it did not
appear to be working at all.
adds travis-ci configuration
Added travis-ci build status to README

[ci skip]
Merge branch 'master' of https://github.com/SqREL/imdb into SqREL-master