separate tcl tests into smaller chunks

implement collection of tcl command tests

tests/tclCommands/__init__.py

@@ -0,0 +1,17 @@
+import pkgutil
+import sys
+
+# allowed command tests (please append them alphabetically ordered)
+from test_TclCommandAddPolygon import *
+from test_TclCommandAddPolyline import *
+# from test_TclCommandCncjob import *
+# from test_TclCommandDrillcncjob import *
+# from test_TclCommandExportGcode import *
+# from test_TclCommandExteriors import *
+from test_TclCommandImportSvg import *
+# from test_TclCommandInteriors import *
+# from test_TclCommandIsolate import *
+from test_TclCommandNew import *
+from test_TclCommandNewGeometry  import *
+# from test_TclCommandOpenGerber import *
+from test_TclCommandPaintPolygon import *