Renamed Kleisli#apply

[zizhengtai]

Addressed #969. Renamed old Kleisli#apply to Kleisli#ap, and added Kleisli#apply which is an alias for Kleisli#run.

[adelbertc]

👍 on green

[codecov-io]

Current coverage is 90.94%

Merging #970 into master will decrease coverage by -0.04% as of 8ebe9ff

@@            master    #970   diff @@
======================================
  Files          181     181       
  Stmts         2153    2154     +1
  Branches        42      42       
  Methods          0       0       
======================================
  Hit           1959    1959       
  Partial          0       0       
- Missed         194     195     +1

Review entire Coverage Diff as of 8ebe9ff

Powered by Codecov. Updated on successful CI builds.

[ceedubs]

👍

It would probably be nice to add a test that apply and run are consistent.