DATERANGE with SCTE-35

What's Changed

• Parse INSTREAM-ID in Alternative by @thuantr-dek in #6
• FORCED should be enumerated-string of YES or NO, not a quoted string by @broganross in #7
• DATERANGE scte35 support by @NhanNguyen700 in #8

New Contributors

• @thuantr-dek made their first contribution in #6
• @broganross made their first contribution in #7
• @NhanNguyen700 made their first contribution in #8

Full Changelog: v0.11.2...v0.12.0