HH-45839 log page stage when unhandled exception was raised
HH-44646 add MicroHandler implementation
HH-44646 use namedtuple as _Request base
HH-44646 fix import frontik in tests
Merge remote-tracking branch 'origin/HH-44646' into EXP-12384
release 2.21.4 [an.sumin@hh.ru]
HH-46489 remove urls option
HH-41231 tornado-3 support
HH-41231 add travis config
Merge remote-tracking branch 'origin/HH-45839' into EXP-12404
Merge remote-tracking branch 'origin/HH-41231' into EXP-12404
release 2.21.5 [an.sumin@hh.ru]
Merge remote-tracking branch 'origin/HH-46489' into EXP-12420
release 2.21.6 [an.sumin@hh.ru]
benchmark