Hotfix 0.4.2.1 — Sumerians Steam update #1139929

Hotfix 0.4.2.1 -Fixed a few bugs when saving. -Added saving and loading error messages: When an error was encountered saving or loading, the game would throw an internal error without notifying the player. This could cause the game to freeze or load a city where some systems were not working properly. A message will now appear if an error is encountered when saving or loading a game. Hotfix 0.4.2.2 (may 13th) -Fixes false positives when clicking the Continue button. Correct saved files were giving an error message when they were accessed from the Continue button in the Main menu.