Log Message:
Update to split-0.2.3.3

* 0.2.3.3 (23 Jan 2018)
  - Update for GHC-8.4, test with GHC 7.0-8.4

* 0.2.3.2 (15 May 2017)
  - Move to github.

* 0.2.3.1 (2 May 2016)
  - Fix a test case which was causing occasional spurious test suite
    failures due to too many discarded tests.  Thanks to Doug
    Beardsley and Peter Simons for reporting the issue.

* 0.2.3 (12 January 2016)
  - New function 'divvy' (with associated tests) from Tim Washington.

* 0.2.2r2 (7 Jan 2016)
  - allow base-4.9

* 0.2.2r1 (12 Dec 2014)
  - allow base-4.8