v0.11.2

Commits:

• b4a3d29 update readme
• 86df7e2 add err helper function
• 22655e7 fix inferrence and add type test
• 76773b6 sure 0.11.0
• 14c03db add tag latest
• 2b85d8f test publishing
• 0f44a98 make the canary run only on sure/src change
• 9949903 test again