reliability fixes

• fix #300 replaced stat[stat.ST_MTIME] (integer) by stat.st_mtime (float)
• fix #312 fixed recovery from connectivity issues.
• fix #316 added proper error message when inflight option specified wrong.
• fix #320 fix to loop on certain timeout errors, and not fail or exit.
• fix #321 fix to honour -n (notify_only) in sarra component.
• fix #323 correctly post v02 messages with non-string headers.

Installation

Guide: https://github.com/MetPX/sarracenia/blob/master/doc/Install.rst

packages available:

• Ubuntu PPA: https://launchpad.net/~ssc-hpc-chp-spc/+archive/ubuntu/metpx
• python: https://pypi.org/project/metpx-sarracenia/
• windows: http://hpfx.collab.science.gc.ca/~pas037/Sarracenia_Releases/