Add ruby version & gemset files
rename IfElseExpression to TernaryExpression
Add file for Terminal class
Add Expression::Base class & File
Add OperandCreator class
Add expression.rb
Remove inheritance from ternary class
Add class Expression for namespacing
Rm operand creator class
Remove Terminal class
Update reference to Expression class
Remove Expression::Base
simplify class names
Add Ternary file
Add Binary class file
Add Conditional class file
Add Unary class file