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