Add Falcon support

[strongbugman]

No description provided.

[codecov-commenter]

Codecov Report

Merging #7 (54a8d09) into master (95ba89b) will increase coverage by 0.22%.
The diff coverage is 98.93%.

@@            Coverage Diff             @@
##           master       #7      +/-   ##
==========================================
+ Coverage   96.70%   96.92%   +0.22%     
==========================================
  Files           6        7       +1     
  Lines         576      650      +74     
==========================================
+ Hits          557      630      +73     
- Misses         19       20       +1     

Impacted Files	Coverage Δ
apiman/falcon.py	98.71% <98.71%> (ø)
apiman/base.py	95.67% <100.00%> (+0.02%)	⬆️
apiman/bottle.py	98.27% <100.00%> (-0.03%)	⬇️
apiman/django.py	98.91% <100.00%> (-0.02%)	⬇️
apiman/flask.py	95.89% <100.00%> (-0.06%)	⬇️
apiman/starlette.py	94.66% <100.00%> (-0.08%)	⬇️
apiman/tornado.py	97.75% <100.00%> (-0.03%)	⬇️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 95ba89b...54a8d09. Read the comment docs.