v1.1.1

• improved documentation

v1.1.0

• added InputValidator
• added InputConstraint
• added InvalidInputException
• added Input#hasArgument

v1.0.1

• added usage note in the README
• fixed license headers

v1.0.0

• added UnknownCommandException
• added InvalidArgumentException
• added Exception
• added Application
• added Command
• added Input