comments and readability on some old code
comments and readability on some old code

achernet/sh,amoffat/sh,pombredanne/sh,amoffat/sh,pdelong42/sh,z-fork/sh,simudream/sh,rdhyee/sh,rsmith31415/sh,lwgarmstrong/sh,germangh/sh,twocngdagz/sh,Stupeflix/sh,jakirkham/sh,ppannuto/sh