replace markdown with rd macros
link to get_table()
remove explicit itemize in @return; not needed
don't need the @importFrom in this file
remove trailing white space
remove the tabular environment from @return; replace it with item macros
remove redundant describe macro; markup up item names in code macro
remove the describe and tabular environments; replace with item macros; add links to other functions
remove the redundant itemize; markup up items in code
make document links to other functions; switch to non-plural function names
remove white space
changes in the @return section
mismatched braces - fixed
wrong markup on @section
rendered man pages for recent roxygen documentation fixes
fix the @return section; links to function; switch to singular function names
Merge pull request #121 from gavinsimpson/doc-fixes

Doc fixes