Updated the assignment statement and conditional statement of the translator.
Updated translate Expression.
Updated translateArbitraryArityExpression. Needs review.
Updated translateRelationalExpression and translateArrayConstructor.
Turned on the '-js' flag to test translator, fixed some warnings
Made Yoda mascot show on README
Lots of updates to the translator in the root directory. Added a couple of entities to smooth out translation.
Got rid of uneeded comments.
Fixed build, a few classes were  extending non-existent VariableExpression class
Cleaned up unit tests. Put comments in all error tests
Created a couple more unit tests. We need to fix our semantic checking for constants
Added another unit test. Updated readme
Translation is working, for function calls and arithmetic at least.
More bug fixes.
Merge branch 'translator'