Version 2.1.3

Support multilingual variable name by a new property called "variableSpecialCharacters"

Version 2.1.2

Bug fix: Support string variable ids while setting expression

Version 2.1.1

• Add runExpression function.

Version 2.1

• Support strings with single and/or double quote.
• Add bootstrap tooltip for validation.
• Source cleanup.

Version 2.0

• New expression tree parser
• Reliable validation process
• JQuery extended function
• Support functions

Version 1.0

• Parse the expression with variables in brackets
• Support negative numbers