add support for filtering issues based on assigned name
added support for filtering by creator
added test for API throwing errors
:lipstick: test variable names
added support for searching by mentions
fixing some janky xml-docs
:lipstick: using statements, incorrect docs, deprecated Octokit.Response namespace
include convention tests in CI script
throw more detailed exceptions for type not found and interface mismatches
added exception for return value mismatch
added better message for parameter mismatch count
:lipstick: tidy up
added better message for when parameters are different
:lipstick: highlight expected and actual values
redundant check is redundant
throw a wobbly when you're doing overloads wrong
string formatting because lolwindows
Merge pull request #385 from octokit/shiftkey/convention-tests-all-the-time

Convention Tests Polishing
Merge pull request #427 from octokit/shiftkey/filter-issues-by-user

Filter repository issues by users
Merge pull request #429 from octokit/documentation-tidy-up

:lipstick: tidy up the clients