Update changelog to reflect changes made since 0.40-beta1.
Merge pull request #410 from TheCycoONE/changelog_040

Update changelog to reflect changes made since 0.40-beta1.
Add 0.40 to getVersion list, tagged to save game version 89

Also bump the save game version to 89 to identify the release candiate.
Merge pull request #412 from TheCycoONE/ver040

Add 0.40 to getVersion list, tagged to save game version 88