GHC-8.2

0.15.0 - lot's of stuff

Few missing endpoints:

- Add `membersOfWithR`, `listTeamMembersR`
- Add related enums: `OrgMemberFilter`, `OrgMemberRole`, `TeamMemberRole`
- Add `Enum` and `Bounded` instances to `Privacy`, `Permission`,
  `RepoPublicity`
- Don't require network access for search tests

Massive update

Release candidate

Merge pull request haskell-github#100 from pharpend/base-4.8

Fix haskell-github#99

Merge pull request haskell-github#78 from nataren/pump_the_version

Pump the version to 0.11.1

Merge pull request haskell-github#75 from palas/master

Added basic code search functionality

Merge pull request haskell-github#74 from nataren/add_missing_event_t…

…ype_data_constructors

Add missing issue event types.