Changed escape string for @, added reverse method
Use escape and unescape methods to display selected characters
Fixed character 0 in range dialog
Character \0000 unlocked
Translation updated
Revert "Fixed converions from nbsp to standard space;"

This reverts commit 6893f93e75ed82810ba7392525b3aed0fcf11c9d.
Changed workaround for nbsp
Fixed support for control characters;
Added character 0x00;
Merge branch 'feature-control-characters' into develop
Updated script error dialog's state