fix some tests that never worked
add app.toJSON()
fix inspection of app. Closes #108
refactor: use statuses
refactor: use escape-html

dat SLOC
History.md++
update SLOC count

sloc lib/

---------- result ------------

      physical lines :  1456
lines of source code :  542
       total comment :  700
          singleline :  35
           multiline :  665
               empty :  214

number of files read :  4

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fix overwriting of content-type w/ HEAD requests
bump dev deps
remove unnecessary index.js file
0.5.2
ocd
Merge pull request #244 from t3chnoboy/master

ocd