v1.3.2 - Save file validation

Hey Wee Tankers!

Small hotfix for some bugs once of you guys pointed out, thanks!

• When coming from demo build, sometimes the save file would get incompatible with the full game resulting in weird behavior. Now there is a functionality added that validates save files to make sure they are correctly set-up.

• Fixed some issues on statistics screen not displaying the correct numbers

• Fixed issue where some achievements would not unlock even though player got the correct requirement

If you encounter any bugs, don't hesitate and reach out!