Add tests for didNotReceive (ffMathy#75)

* Add tests for didNotReceive ffMathy#72

* Add t.pass()

* Swap didNotReceived calls

Revert "Add tests for didNotReceive ffMathy#72 (ffMathy#73)" (ffMathy#74

)

This reverts commit e01c793.

commented broken code in 59 test (ffMathy#71)

Removing dist from source (ffMathy#52)

Fix Arg.all() after ffMathy#30 + add more tests + small refactor (ffM…

…athy#43)

Create 36.test.ts (ffMathy#40)

Added SubstituteOf as as return type from Substitute.for (ffMathy#37)

Update package.json

allow limited multiple returns (ffMathy#31)

Refac function argument recording. fixes ffMathy#25, ffMathy#23 (ffMa…

…thy#30)

* refac function call args, fixes ffMathy#25 and ffMathy#23

* support optional args