More testing coverage
Fixing 403 errors and problems caused by HTTPS redirects.
Added date handling for Excel numeric date handling
tsg_process_data() now arranges the core variables on the left hand side of the data frame.
Fixed warnings caused by non-matching column names in
New internal data processing and file-reading functions
dplyr functions with faster and more stable base-R functions.
Eliminated redundant calls to grant files URLS