Vsn 0.7.3

Removes ?else macro

Just improves error message when qdate not started properly

Reimplement server and remove use of application vars for that

Version 0.5.0

Bugfix release 0.4.2

Bugfix release. see changelog

Add date arithmetic and remove the server for global state, instead s…

…toring application state in the application environment.

release 0.3.0

Version 0.2.1 bugfix release

Release 0.2.0 adds compare/2 and compare/2