Merge tag '1.1.0' into develop

1.1.0

* tag '1.1.0':
  Bump version number to 1.1.0
Fix conflicting options error in `toopher-pair`
Merge pull request #4 from toopher/bug/conflicting-pair-options

Fix conflicting options error in `toopher-pair`
Bump version number to 1.1.1
Merge branch 'release/1.1.1'

* release/1.1.1:
  Bump version number to 1.1.1
  Fix conflicting options error in `toopher-pair`