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
Release version 26
Fix issue where super method was not called in BeaverSshTunnel
Release version 27
BeaverSubprocess is now a new-style class. Fixes ssh_tunneling
Release version 28
fixing outdated transport docs
Merge pull request #109 from mdelagralfo/transport-docs

fixing outdated transport docs
Added SQS transport
fixed zeromq tests
Added support for rawjson format
fix issue where a field may not exist in the data
added support for specifying file encoding, using io.open vs os.open