Merge branch 'master' into v0.6.0

# Conflicts:
#	src/ifcparse/Ifc4-latebound.cpp
#	src/ifcparse/Ifc4.cpp
#	src/ifcparse/Ifc4.h
#	src/ifcparse/Ifc4enum.h

src/ifcexpressparser/bootstrap.py

@@ -178,6 +178,7 @@ cache_file = sys.argv[1] + ".cache.dat"
 if os.path.exists(cache_file):
     with open(cache_file, "rb") as f:
         mapping = pickle.load(f)
+        schema = mapping.schema
 else:
     from pyparsing import *
     from nodes import *

src/ifcexpressparser/schema_class.py

@@ -109,7 +109,8 @@ __attribute__((optnone))
             try:
                 declared_type = get_declared_type(type, emitted)
             except UnmetDependenciesException:
-                print("Unmet", repr(name))
+                # @todo?
+                # print("Unmet", repr(name))
                 return False
 
             statements.append('    %(schema_name)s_%(name)s_type = new type_declaration("%(name)s", %%(index_in_schema_%(name)s)d, %(declared_type)s);' % locals())