new function: map()
update with new files and better comments
add 'newwin alpine' and 'btadd' aliases
add LESS_TERMEND definition
minor fiddling
minor cleanup and get ready for bash-4.3
add new function: ca()
consolidate mail options
clarify syntax
improve $GREP_OPTIONS
convert 'numfiles' to a function
steal better numfiles()
make _shoptSet() more direct