Implemented Vi 'aw' binding. (Switch form linewise to characterwise selection mode.)
Implemented Vi 'aw' binding. (Switch form linewise to characterwise selection mode.)

ddalex/python-prompt-toolkit,melund/python-prompt-toolkit,niklasf/python-prompt-toolkit,jaseg/python-prompt-toolkit,amjith/python-prompt-toolkit,jonathanslenders/python-prompt-toolkit,ALSchwalm/python-prompt-toolkit