Major changes to sound.c:
- add mutex (fixes segfault, free erros)
- allow only one sound at a time, wait for previous to finish
- outsource init function
- add global variables
- return if successfully played
Major changes to sound.c:
- add mutex (fixes segfault, free erros)
- allow only one sound at a time, wait for previous to finish
- outsource init function
- add global variables
- return if successfully played