fix http header serialization
simpler imports
fix array order in http test.
removed obsolete run_tests.sh
add comment about why that unreachable else is there.
make sure Date is picked up by gen_sqla_info. also add timezone attribute to DateTime.

this needs more work as offset-aware datetimes can't be compared with naive ones.
fix wsdl generation in bare mode.
simplify primitives in dictdoc arrays
minor
Merge remote-tracking branch 'plq/master'