Convert some function-mappings to more compact style:
    SemicolonEnterIfOk
    SelectPumAndEsc

Delete <space><space> mapping to semicolon.
Delete unnecessary commented out command-t mapping.
Updated SingleCompile.
Added imapping of <esc><esc> to simply exec <esc>.
Edited default mapping h, v to open found matches. Using gh, gv is more
logical.
Introduced ackrc.
Added Alias aa to AckAdd!.