- wget only
- curl preserves content with --fail switch

- add status to return values
- check status to see if bundle installed

- make curl --fail on HTTP errors
- make curl -o output to file
- handle erros
- silence curl output
- unify curl command

- do not redraw on errors
- echo error during installation

This reverts commit d840b24072.

- makes " quotes unusable

- just show the message
- closes #46

- closes #45
- add /d swithc to cd command to perform drive change
- eclose joined commands with quotes

- closes #37
- join is useless there

no new bundless installed => no new bundles installed.

- append slash to indicate directory, so expand ingnores wildignore
settings

GitHub usernames cannot start with an underscore, but they can be a
single character long.

- closes #21