Merge pull request #150 from eve-seat/dev

Merge v0.9.1 into master
Merge pull request #169 from eve-seat/dev

Merge v0.9.2 into master
fixes an issue where corporation_affiliation could return nothing
Merge branch 'dev' of https://github.com/gregoryduckworth/seat into dev
Merge pull request #190 from gregoryduckworth/dev

fixes an issue where corporation_affiliation could return nothing