some minor tycasting fix
fixed UWSGI_PROFILE_OVERRIDE
directly call .to_s in the rack spool request
completed perl spooler support
prepare for 2.0.1
fix debug un-needed option in default profile
perl spool arg must be a hashref
cast non-bytes arguments to bytes in python3 spool api
added --spooler-frequency
fixed hv_delete on clang
support embedding external plugins
Merge branch 'master' of https://github.com/unbit/uwsgi