1.4.19
move test files out of py lib proper * separate all tests from plugins * simplify implicit inclusion of plugins under test * have test_initpkg perform direct checks instead of yielding tests * fix example tests for 3k
convert terminal write-data to unicode if it is not a string/bytes
fix issue1 - make py.error.* instances pickleable
remove unused excludes for import-checks
xmlgen: support using raw for attribute values, fixes #14