unsetting export of module command for bash
ldoc doc added for some files
put a single ":" in MANPATH if manpath is empty
Better Doc strings
Moved the caseIndependent routine into string_utils
moving doubleQuoteString and escape functions into tools/string_utils
more doc strings
new tags after merging escape.lua and quote.lua files into string_utils.lua
more documentation
yet more docs
moved fillWords function into tools/string_utils.lua and remove fillWords.lua
options
fixed documentation
Documentation added for CTimer.lua
updated README comments.  Now trim extra spaces on env. vars. used in prepend_path etc.
Merge branch 'master' of riverton.ddns.net:lmod
doc string updates
Completed first round of putting ldoc into code.