calculate_mme.data.frame() and calculate_mme.tbl_df() now allow users
to specify use_api and includes informative warnings about the API
rate limit
Deprecated calculate_mme_df() and refactored calculate_mme() to
use S3 methods for list, data.frame, and tbl_df objects (#4)
Deprecated calculate_mme_local() and consolidated local calculation
functionality under calculate_mme() with new use_api argument (#3)
Fixed calculate_mme_df() bug in error catching logic and removed hard
dependency on tibble package
Updated DESCRIPTION in response to CRAN reviewer suggestion for next
submission