add option for channel buffer size
don't do ioproc work if reply channel is closed already
Emergency patch to fix wedged service threads when EMFILE occurs.
unify & templatize timeval conversion
add host-factory mode to shared http client pool
make gc_cache() safe from empty cache and floating point math
cycle_iter<> for infinite iter loop
Merge pull request #70 from chipdude/chip/multihost

don't die totally under EMFILE; allow multiple hosts in http client; &misc
fix naming conflict with flock
fix float to json
Merge branch 'master' into http_streaming