In case $binpath/$bin is an already existing directory, the command

    mv "$bin" "$binpath/$bin"

would store the binary in the place $binpath/$bin/$bin. I guess this is
not the expected behavior. Therefore I used the -t option of `mv' to
specify the target directory explicitly.

License: MIT
Signed-off-by: Stephan Kulla <git.mail@kulla.me>