Skill Tree

Automated release for version 1.0.17.

Changelog: Merge pull request #20 from JammingDino/detached5

Re-worked the way the conditions work:

• They are now bound to specific actions or effects, meaning one skill can add faster movement when holding an apple as well as more life while holding an iron ingot for example (without one skill that creates two new skills each of which do one part of what the original skill is intended to do).
• Added and, or and not conditions that can each hold at least one condition within them, meaning that you can now create more advanced conditions. e.g. health greater than 10 and armour less than 10.

Built out some more base skills, adding some more content for the player oriented users (as opposed to the developer oriented users)