EDMconverter: add exception cause.
edm2opi: add convert folder action
BOY: change Exception to Throwable for ErrorHandleUtil.
edm2boy: made significant structure changes
edm2boy: working on xygraph
edm2BOY: finished XYGraph and rectangle
BOY: hide color depth property in RGB mode.
edm2boy: add intensity graph
BOY: small tweak
BOY: fix a bug on TextInput widget that two line of numbers is parsed as
one line of number.
BOY: add $(opi.dir) to execute command action.
edm2boy: significant progress made
BOY: paste widget action small bug fix
BOY: update image example
BOY: fix a bug on boolean widget that enum was too strict
edm2boy: update
edm2boy: linking container support menu
edm2boy: support dynamic color and blinking color
edm2boy: add symbol
edm2boy: add Reg.Text widget.