clearified an expression about requirements
fixed typo
done -R/-r flags for apk_glob done docs for apk_delete
got the -r/-R options right
added technical info wrote details for the rest of the options
fix bug so -a works without specifying any glob
dont show error message when trying to remove a package dependencies
use both recursive and upward recursive removal of dependencies/required_by (-r/-R)
cannot remove ./ in beginning of contents file