revert dim colors for previews

cc gokcehan#924 gokcehan#1038

update doc

restart event polling after ui resume on windows

cc gokcehan#677

update doc

build release only on tags

ignore erase line escape code

cc gokcehan#440

export OLDPWD variable as the initial directory

cc gokcehan#601

update readme

use ascii space/digits in scanner

cc gokcehan#572

update doc