docs(getinfo): Slight clarification
feat(getinfo): Added getinfo -r option (similar to -a but with remove/replace)
Created getinfo +d option for additional flexibility
Made getinfo -d option useful for header-skip ('-') and command ('-c') options
Added -a option to getinfo for adding lines to header
Added "-c" option to getinfo for operating on data segment
Changed ".pic" extension to ".hdr" throughout
Added backslashes in front of hyphens (thanks to Bernd Zeimetz for his effort)
Renamed rview, lam, calc, and neat to rvu, rlam, icalc, and neaten
Fixed RCSid specification
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