Fixed a bunch of bytes literals, and tests.stream_encode_multipart
Fix MultiPartParser.parse and tests for 3.3
More Python 3 fixes in formparser
formparser tests pass in 3.3, fixed ResourceWarnings when temp files weren't closed in tests
wsgi testsuite passes in 3.3
wrappers testsuite passes in 3.3
routing testsuite passes in 3.3
compat testsuite passes in 3.3
internal testsuite passes in 3.3