Minor changes to get better cleanup of debug and python_eval threads, accross multiple debug sessions and PLC runs.

Added local C dependency dicovery and changes checking, to speed up build.

Fixed problem with re-use of Pyro connector proxy copy across debug sessions

Added "runtime.py", a file that is executed in python thread in runtime, before handling python_eval FBs requests. Added small python editor taken from wxPython demo, and appropriate icon and button to launch it.

fixed plc_python.c to assure data coherancy from the PLC point of view. Also fix non work multiple python_eval FB instance case.

fixed plc_python.c to assure data coherancy from the PLC point of view. Also fix non work multiple python_eval FB instance case.

Added native (not a plugin) asynchronous python eval function block - Beta. Code cleanup in C code templates.

Fixed minimize/maximize invertion

Updated splash

Local PYRO connection is designated by LOCAL://, not PYRO://localhost:3000 anymore

fixed : MAX_SEM_COUNT to 1 instead of 10
remove ReleaseSemaphore on debug_sem in InitiateDebugTransfer function

Adding Function Blocks in VARIABLES.csv

Adding support for defining plugin library as a plcopen xml file in plugin folder

Bug with debug mode when displaying code fixed

Bug on Exception handling fixed