Version 0.3.0

** Version. Still for testing purposes only **

** For real work - use at own risk **
** Suggest doing small tests on any extract **
** For rxtracto(), do say the first 3 points with "verbose = TRUE" **
** Make certain the URL calls amke sense **
** In final output, make certain data limits **
** and limits requested from dataset make sense **

Added two plot functions, see vignette for use. Cleaned up a lot of the code.