Switch to rustc 1.56.0 (#1404)

* Update CHANGES.TXT

* Update release flow

* use 1.56.0 compiler as 1.57.0 is bugged

Co-authored-by: PunitLodha <punitlodha@pm.com>

Version bump, 0.92 -> 0.93

Bump version on Mac 0.91 -> 0.92

Push version 0.90 -> 0.91

Update installer.wxs

Make ID's unique

Bump version to 0.89

Update Makefile

Bump version

Added all relevant changes since 0.86

Added release date (today) to CHANGES.TXT

Edited docs/README.TXT a bit

0.85 (2017-01-23)