Merge pull request #132 from Cazra/master

Console syntax coloring
There is also a syntaxColoring() operator in Core.eli that toggles this on and off.
Merge pull request #133 from Cazra/master

toggleparser w/ string argument
Reformatted the Easter Egg code a bit.
Added defer and error operators.
Added integer less-than and greater-than.
Slight update to help text for bad operator creation.
Corrected a bug in comparing lists.
Lots of updates to the documentation!
Merge pull request #134 from sprowell/master

Updates to Documentation and a Bug Fix
Merge pull request #135 from Cazra/master

Eva package dependency improvements
Updated the ignore file in case Hyperion is co-located with Elision.
Merge pull request #136 from sprowell/master

Minor update for ignore file
Updated (slightly) documentation.
Updated Travis build description.
Updated Travis.
Mods to travis.sh script.
Renamed operator error to err, due to external conflict.  Fixed extra comma bug in ScalaGenerator for AtomSeq.
Merge pull request #141 from sprowell/master

Renamed the error operator and fixed a bug.
Replaced tabs in TreeSprite.scala with spaces. Added a getScreenPosition method to NodeSprite.
NodeSprite's getScreenCoordinates was getting the wrong y coordinates. It's fixed now.