initial notes on v6 changes
update print method for unf5 and unf6 (#2)
update specification in README based on v6 (#2)
update print method for unf5 and unf6 (#2)
Cleanup README and add further spec details (#2)
map spec to unf5/6 (#2) (closes #6 #7)
initialize vignettes (#2)
cleanup datetimes (#2)
address factor and complex variables (#2)
start citation vignette
Setup testthat test-all.R (#4)
add testthat to Suggests (#4)
Outline UNFv6 tests (#4)
add data citation citation
rough draft of complex numbers (#2)
better handle versions in %unf%
setup initial tests (#2,#4)
add new formatting arguments to docs
update README and vignettes (closes #9)
Update .travis.yml