Allow lookup of team id by name.

- Add teams file to hold TEAMS hash and find_team_id method.
- Update console method to accept the team argument.
- Update readme usage with the new method.
- Add section in readme about the team ids and that they could change.
Add docs task to Rakefile.

- Use rdoc to generate documentaiton for project.
Update code comments to get 100% doc coverage.
Add options to retrieve only home / regular season games.

- Add flags to schedule class and update initialize method.
- Modify globals path to include query string parameters.
- Update console method to include new options.
Exclude doc folder and include bin in gemspec.