Merge pull request #98 from overplumbum/master

ZeroMq HighWaterMark socket option
worker: pretty format debug message "Iteration took %.6f"
Merge pull request #100 from temoto/patch-1

worker: pretty format debug message "Iteration took %.6f"
updated readme
Release version 23
Update docs
Merge pull request #102 from andrewgross/master

Clarify Docs
perform all conversions in config.py. Closes #99
Fix invalid casting of boolean values
allow float numbers for update_file_mapping_time
Ensure new files are added to a transports configuration. Closes #96. Closes #101
Release version 24
Fix orphan child processes. Closes #103
Use True instead of 1 for while check
Release version 25
Use a larger sleep time to get around redis over ssh connection issues
Add a deafult sleep timeout to BeaverSubprocess polling
Added a configurable subprocess poll sleep
Add a method for checking the validity of a Transport. Refs #93
Add optional reconnect support for transports. Refs #93