v2.0.0

• Replace class CommandList with PathCommandList
• Replace class Command with PathCommand
  • Add PathCommand.updateParams()
  • Add PathCommand.updateValue()
  • Remove PathCommand.updateResult()
• Generate API doc.

v1.1.1

• Fix to add xAxisRotation to A command #42

v1.1.0

• Add CommandList.stringify()
• Add Command.updateResult()
• Add Command.updateParams()

v1.0.0

• Add parse()