CHANGES IN VERSION 1.0.0 (2019-10-01)
--------------------------------------
NEW FEATURES

+ Supports tidy grammar for 'select', 'filter', 'mutate' and '%>%' pipe. 
+ Supports representation and saving of MySQL database tables.
+ Supports lazy cross-MySQL database table aggregations, such as join, union, rbind, etc. 

BUG FIXES

+ Fixed bugs for single square bracket subsetting with key column(s).

Changes in version 0.99.0 (2019-04-05)
+ Submitted to Bioconductor
