Changes to Several Structures

1. Added comments to clear up how the databases are structured.
2. Added arguments to the Skill class to make it compliant with the
needed data.
3. Filled out Titanic Onslaught in the SKILL_DB to comply with the Skill
class
4. Altered SkillFactory to work with the new skill object and database.
5. Edited several functions to strip out eval.