Add modify support
Ruby-ize the arguments
Coding Style improvements from peer review
Merge pull request #3 from jvlcek/modify

Add modify support
Release v0.3.0
Removed hardcoding of python-bugzilla path in favor of one on the PATH.
Whitespace cleanup.
Move checks for python-bugzilla into python_bugzilla_installed? method.
Minor code cleanup.
Removed bugzilla_credentials file in favor or class accessors.
Changed RubyBugzilla to be instance based and not class based.

Major cleanup of specs to remove need for lots of constant mocking.
Refactored common execute calls into execute method.
Removed unnecessary method call
Changed return of methods to not include the command string.

The last command executed can be retrieved from the last_command method.
Remove password from .inspect.
Change query signature to take a Hash of options.

Added YARD documentation for query and modify.
Updated README.md with new syntax.
Removed manual constant stubbing in favor of stub_const.
Removed debug_login option in favoring of forcing it on.
Made bugzilla_uri a required parameter to initialize.

Added verification of bugzilla_uri as a URI.