Release v0.8.0

 update version (rcmdnk)

 use user defined options as default options (rcmdnk)
 [Ctrl
 Fixed. Settings
 fix exe path /
 check AHK_TEMP exist or not (rcmdnk)
 make temp dir in build/build.bat (rcmdnk)
 AppVeyor
 update appveyor version (rcmdnk)
 fix appveyor build (rcmdnk)