Added basic guard against modifying level while saving
Alert user to operation failure during saving
Update nl_NL.json

Corrected 3 lines that were wrapping into other lines
Merge pull request #116 from DragonQuiz/patch-5

Update nl_NL.json
Merge pull request #117 from skinny121/resize2

Fix runtime error
Make nudge using modifiers slower
Fixed missing quotes in nl_NL.json
Merge pull request #118 from martinhanzik/master

Fixed missing quotes in nl_NL.json
More translating
Merge remote-tracking branch 'origin/master' into Rendering