Merge pull request #1 from neonichu/master

Use puts() to save 1 byte.
Merge pull request #2 from neonichu/master

Replaced macro with for-loop.
Use printf without puts again to save one more byte
Save one more byte by casting loop counter u to a char
Not shorter, but I like the extra obfuscation.
Print out number of bytes in build.sh
Fixed Readme so that it shows up correctly on GH.