Increase recursion limit for python, needed to fix travis build error

Three tests are failing in declarations_comparison_tester with:
RecursionError: maximum recursion depth exceeded

Cherry-picked from the develop branch

Author: iMichka

unittests/autoconfig.py

@@ -7,6 +7,9 @@
 import sys
 import logging
 
+# Prevents copy.deepcopy RecursionError in some tests (Travis build)
+sys.setrecursionlimit(10000)
+
 this_module_dir_path = os.path.abspath(
     os.path.dirname(sys.modules[__name__].__file__))