fix #602 - enable 'w' in visual block mode
fix #579 - improve 'x' and 'X' when given counts
wip #543
fix #546 - improve <count>i operator
refactor
fix #543 - improve 'e' and 'E' motions
fix #582 - 'yy' should synthetize a new line at eof if necessary
fix #582 - improve 'P' operator
fix broken tests
improve bracket text object
prepare release