v4.0.3

- Removed - Double calls to 'self' - event functions - [core.lua], [core_c.lua], [core_v.lua]
- Fixed   - Integrated Default sounds - [Random] - [core.lua], [core_c.lua], [core_v.lua]
- Fixed   - Extra commas from allSounds table - [core.lua], [core_c.lua], [core_v.lua]
- Added   - Feature updates - volume sliders - [README.md]
- Updated - Classic bug PSA wording - [README.md]