Small caret bug fixed
Merge branch 'master' of https://github.com/PavelTorgashov/FastColoredTextBox

Conflicts:
	Binary/FastColoredTextBox.dll
	Binary/Tester.exe
	FastColoredTextBox/FastColoredTextBox.cs
Manually apply changes in next commit
Manually apply changes of merge 44d6d51b67d1da1c9558aed8d3e08d66bfe9fbe0
Add fix for CR/LF taking two lines when setting FastColoredTextBox.Text
Unit test attempt for InsertTextCommand