More testing

- travis:
   * 2.7.12 - bump from 2.7.11
   * 3.3.6

test_pyenvlib: add --weak-verify to
Makefile: check-3.2.6 needs --weak-verify

.travis.yml

@@ -4,8 +4,9 @@ sudo: false
 
 python:
   - '3.5'
-  - '2.7.11'
+  - '2.7.12'
   - '2.6'
+  - '3.3'
   - '3.4'
 
 install:

test/Makefile

@@ -28,7 +28,7 @@ check-3.2: check-bytecode
 
 #: Run working tests from Python 3.2
 check-3.2: check-bytecode
-	$(PYTHON) test_pythonlib.py --bytecode-3.2 --verify $(COMPILE)
+	$(PYTHON) test_pythonlib.py --bytecode-3.2 --weak-verify $(COMPILE)
 
 #: Run working tests from Python 3.3
 check-3.3: check-bytecode

test/simple_source/expression/06_frozenset.py

@@ -1,5 +1,5 @@
 # Bug from Python 3.3 _markupbase.py cross compilatin
 # error in unmarshaling a frozenset
 import sys
-if sys.argv[0] in {"attlist", "linktype", "link", "element"}:
+if sys.argv[0] in frozenset({"attlist", "linktype", "link", "element"}):
     print("Yep")

test/test_pythonlib.py

@@ -187,7 +187,7 @@ if __name__ == '__main__':
     test_options_keys = list(test_options.keys())
     test_options_keys.sort()
     opts, args = getopt.getopt(sys.argv[1:], '',
-                               ['start-with=', 'verify', 'all', 'compile',
+                               ['start-with=', 'verify', 'weak-verify', 'all', 'compile',
                                 'no-rm'] \
                                + test_options_keys )
     if not opts: help()
@@ -202,6 +202,8 @@ if __name__ == '__main__':
     for opt, val in opts:
         if opt == '--verify':
             test_opts['do_verify'] = True
+        elif opt == '--weak-verify':
+            test_opts['do_verify'] = 'weak'
         elif opt == '--compile':
             test_opts['do_compile'] = True
         elif opt == '--start-with':