installer issues

Fix job completion judgement in spin()

Fix #11

The installer exits without waiting for the completion of `git clone`

2

The installer exits without waiting for the completion of `git clone`. This is not a problem when running the installer manually. However, if you write `.zshrc` to automatically run the...

crhg

zplug.sh domain does not exist

3

```sh $ nslookup zplug.sh Server: 213.133.99.99 Address: 213.133.99.99#53 ** server can't find zplug.sh: NXDOMAIN ``` Installation is currently impossible using the installer.

agross

Installer fails if locale setting is incorrect.

3

Installer script will fail and output nothing to resolve problem if locale setting is incorrect. I tried zplug in ubuntu on Docker but docker container does not set locale to...

niyaton