untrack build directory

Signed-off-by: Santiago Pestarini <santiagonob@gmail.com>
rename some radio_id

Signed-off-by: Santiago Pestarini <santiagonob@gmail.com>
"List radio urls" option added

Signed-off-by: Santiago Pestarini <santiagonob@gmail.com>
update README

Signed-off-by: Santiago Pestarini <santiagonob@gmail.com>
0.0.6 version changes

Signed-off-by: Santiago Pestarini <santiagonob@gmail.com>