fixed the cache router
implemented cache magic exists and del
completed magic cache clear
ported the new magic cache api to perl/psgi
ported magic cache api to ruby
ported magic cache api to php
ported magic cache api to lua
ported cache magic api to go
fixed default cache set
prepare for JVM uwsgi.rpc() api function
fixed php body read
removed old java test
implemented uwsgi.rpc jvm function
implemented uwsgi.rpc jvm function [test]
added a test for clojure rpc
cache sync is working again
removed unused functions
fixed admin and echo plugins
fixed jwsgi plugin name
fixed spooler plugin