v1.1.0

• Implements an evaluator instead of using Javascript "eval"
• Allows input of -x and +x values, e.g.: -1 times +5
• Allows decimal numbers, e.g.: 1 times 0.5

v1.0.2

Revert "Remove recursion when reading from console stdin"

v1.0.1

Update readme and package.json descriptions
Remove recursivity when reading from stdin

v1.0.0

The first release includes the initial version of the system
This version can validate and execute all the math operations
It until not uses AST (Abstract syntax tree)