started tests

[rabernat]

how can we load tqdm on travis?

[codecov-io]

Codecov Report

Merging #37 into master will increase coverage by 23.92%.
The diff coverage is 82.35%.

@@             Coverage Diff             @@
##           master      #37       +/-   ##
===========================================
+ Coverage   43.38%   67.31%   +23.92%     
===========================================
  Files           4        4               
  Lines         461      465        +4     
  Branches       76       76               
===========================================
+ Hits          200      313      +113     
+ Misses        246      127      -119     
- Partials       15       25       +10

Impacted Files	Coverage Δ
floater/rclv.py	81.88% <82.35%> (+81.88%)	⬆️

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[rabernat]

Closes #36.