add sniffing

[pingz]

turn on sniffing as in issue #41 .

[codecov-io]

Codecov Report

Merging #42 into master will increase coverage by 1.06%.
The diff coverage is 52.17%.

@@            Coverage Diff             @@
##           master      #42      +/-   ##
==========================================
+ Coverage   82.78%   83.85%   +1.06%     
==========================================
  Files           2        2              
  Lines         151      161      +10     
  Branches       18       17       -1     
==========================================
+ Hits          125      135      +10     
  Misses         22       22              
  Partials        4        4

Impacted Files	Coverage Δ
cmreslogging/handlers.py	83.11% <52.17%> (+1.17%)	⬆️

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[cmanaha]

Thanks for the contrib. I'll add things up (both pr's) and get them merged over the weekend (would like to check if there is any other test around sniff that we should run).