add state synchronuously
Merge pull request #16 from mloy/add_sync

add state synchronuously
add a first performance test programm
remove deps fetcher

fetchers with support for dependencies seem to be over engineering. not
used ever.
dry internal error
Merge branch 'remove-deps-fetcher' into add-performance-tests
make predicate empty table more readable
make path matcher for simple cases a bit faster
Merge pull request #17 from lipp/add-performance-tests

Add performance tests
head read_io in socket.lua
unlocal global vars
move connect io stuff to socket.lua
move tcp listener / server stuff to socket.lua
fix log functions
add ludent all script
handle luasocket 3 err message
add message performance test
speed up fetch. remove fetch.max feature.
speed up path_matcher
use less tables for notification / fetch