Allow using one XSD based target description for many targets. Target description XSD can now use %(target_name)s to refer to target name.

Fix previous commit : Using wx.CallAfter shouldn't have been necessary, and was a symptom of failing evaluator's deadlock detection.

Fix startup of wxGlade base HMI. Wx calls were issued from non-wx thread (main).

Reworked chunk based transfer to support duplicated files (i.e. files with same content, but different names)

Fixed deadlock in runtime's Worker. Was discovered while using WAMP and PYRO simultaneously.

Add a debugger token to SetTraceVariables and GetTraceVariables to prevent crash an inconsistant data in case of multiple connections. Last connection now takes over existing connections's debug, and first connected IDE gets a wrning.