ENH: Bump version in CMakeLists.txt to 4.3.2.

Change-Id: I421470b52f563040cb156d98a742318f56538a8e
Merge branch 'release'

Conflicts:
	CMakeLists.txt

Change-Id: I12b301c3a2f6d6d6b4d8449d9cfc6fd8deae9d3d