Fix Bug in ParseEngineXML

Fixes a bug where every second word in a caption would be skipped.
Fix ParseEngineXML Bug

Fixes reading in the emotion of words.
Add Check to Open Project Handler

Checks that the result of the dialog was the pressing of the ok button.
Add Timeline Redraw Call

Updates the timeline when a property in the selected caption is changed.
Remove Erroneous Comment
Add Close Project Functionality

Also adds ProjectInfo.NoProject, a placeholder class to represent no
project being held in the program.
Refactor Code

Changes all references of String to string for consistency.
Refactor Code

Changes all instances of Double to double for consistency. Does the
same as well with Object and object.