Overload lmul!, rmul! for AbstractQ

[dlfivefifty]

No description provided.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 89.68%. Comparing base (b9b424e) to head (419260a).
⚠️ Report is 6 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #264      +/-   ##
==========================================
+ Coverage   89.52%   89.68%   +0.16%     
==========================================
  Files          11       11              
  Lines        1938     1949      +11     
==========================================
+ Hits         1735     1748      +13     
+ Misses        203      201       -2     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.