Get rid of hex format and some binary conversions #221

1. 
   sipa commented at 12:38 pm on February 23, 2015: contributor
2. Get rid of hex format and some binary conversions 443cd4b8ee
3. 
   sipa commented at 10:24 am on March 2, 2015: contributor

   @gmaxwell ping
4. 
   gmaxwell commented at 10:33 am on March 2, 2015: contributor

   ACK.
5. sipa merged this on Mar 2, 2015
6. sipa closed this on Mar 2, 2015

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7. sipa referenced this in commit 3b7ea633fb on Mar 2, 2015

Contributors
sipa gmaxwell