Move command requests to card message matrix events and add support for multiple commands per message #817

All 793 tests pass, 2 skipped in 24m 38s

    1 files ±0     1 suites ±0 24m 38s ⏱️ - 1m 42s
795 tests ±0 793 ✔️ ±0 2 💤 ±0 0 ❌ ±0
800 runs ±0 798 ✔️ ±0 2 💤 ±0 0 ❌ ±0

Results for commit 53a898d. ± Comparison against earlier commit 03c51ea.