readme edits
fixed cr_full fxn to handle lists of urls or single urls
added cr_ft_links test, #45
started cr_ft_text test file, #45
fixed as.tdmurl fxn to check type, and added as.tdmurl teest file, #45
updated a man file
more work on cr_ft_text tests, #45
updated readme
export some fxns
broke cr_ft_text out as sep file, added missing param defs
changed some fxn names for pdf xml and plain reading
fixed references to old fxn names
bumped date and patch ver number