Replaced Battle.setOver() with end(), which returns to the world
BattleTest still uses the setOver methodology
Added toString to DialogueOptions and DialogueWindow
Added a DialogueText constructor that takes in a Dialogue and a Style
Created a PauseMenu (extension of DialogueOptions) to be displayed when a TBD pause button is touched
Futzed with some of the code in Spell, and added some comments
Removed the unused getNearestValidLocation methods
Added RESET and CLOSE interaction implementation that reset and close the game, respectively
Fixed an odd bug in the Dialogue.Parser that was causing difficulty concluding dialogues