Version 1.2

ADD: <Tab> and <S-Tab> moves selection like <Up> and <Down>
ADD: Use <silent> mapping to keep cmdline clear
FIX: Catch interrupt (<C-C> or <Esc> keypress) and restore cmd line
FIX: Use case-sensitive string comparisons to afford immunity from
value of 'ignorecase'
FIX: Do not clobber contents of @y register
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Thanks to Erik Falor for all above changes