Fix grammar in comment

Signed-off-by: John Else <john.else@citrix.com>
Add OCaml 4.02.0 to travis build matrix

Signed-off-by: John Else <john.else@citrix.com>
checkpoint

Signed-off-by: John Else <john.else@citrix.com>
Checkpoint

Signed-off-by: John Else <john.else@citrix.com>