Fix #636 - restore'c''s abitlity to yank to registers.
Fix #638 - add command to enter distraction free mode
Fix #624 - add gcc command to comment current line
enable counts for  operator
fix #646: 'a' operator must take counts
fix #635 - translate character before insertion
fix tests
fix #653 - improve * and # operators

If no match is found, the caret should be placed at the start of
the current word under it.
Merge pull request #657 from my-personal-forks/next

fix #653 - improve * and # operators
Merge pull request #658 from guillermooo/next

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