go mod tidy

Signed-off-by: Chris Cummer <[email protected]>

go.sum

@@ -100,9 +100,11 @@ github.com/cenkalti/backoff v2.2.1+incompatible h1:tNowT99t7UNflLxfYYSlKYsBpXdEe
 github.com/cenkalti/backoff v2.2.1+incompatible/go.mod h1:90ReRw6GdpyfrHakVjL/QHaoyV4aDUVVkXQJJJ3NXXM=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
+github.com/chzyer/logex v1.1.10 h1:Swpa1K6QvQznwJRcfTfQJmTE72DqScAa40E+fbHEXEE=
 github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
 github.com/chzyer/readline v0.0.0-20171208011716-f6d7a1f6fbf3 h1:T7Bw4H6z3WAZ2khw+gfKdYmbKHyy5xiHtk9IHfZqm7g=
 github.com/chzyer/readline v0.0.0-20171208011716-f6d7a1f6fbf3/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
+github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1 h1:q763qf9huN11kDQavWsoZXJNW3xEE4JJyHa5Q25/sd8=
 github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
 github.com/circonus-labs/circonus-gometrics v2.2.4+incompatible h1:+ZwGzyJGsOwSxIEDDOXzPagR167tQak/1P5wBwH+/dM=
 github.com/circonus-labs/circonus-gometrics v2.2.4+incompatible/go.mod h1:nmEj6Dob7S7YxXgwXpfOuvO54S+tGdZdw9fuRZt25Ag=
@@ -666,8 +668,6 @@ github.com/zmb3/spotify v0.0.0-20191010212056-e12fb981aacb h1:uWB0RGxBo7AToSJ3rv
 github.com/zmb3/spotify v0.0.0-20191010212056-e12fb981aacb h1:uWB0RGxBo7AToSJ3rvoCZhXtLw4U7XISXSezPewmfic=
 github.com/zmb3/spotify v0.0.0-20191010212056-e12fb981aacb/go.mod h1:pHsWAmY9PfX7i/uwPZkmWrebc8JbK8FppKbvyevwzSU=
 github.com/zmb3/spotify v0.0.0-20191010212056-e12fb981aacb/go.mod h1:pHsWAmY9PfX7i/uwPZkmWrebc8JbK8FppKbvyevwzSU=
-github.com/zorkian/go-datadog-api v2.28.0+incompatible h1:bh/2jIkDFCZRjkuQKBFdmB+sScAMXf8fctKTT0ae+wE=
-github.com/zorkian/go-datadog-api v2.28.0+incompatible/go.mod h1:PkXwHX9CUQa/FpB9ZwAD45N1uhCW4MT/Wj7m36PbKss=
 github.com/zorkian/go-datadog-api v2.29.0+incompatible h1:uZZg0POZ6tLmVFtjUSaTZYwR6Q6RrHx6f/blTEDn8dA=
 github.com/zorkian/go-datadog-api v2.29.0+incompatible/go.mod h1:PkXwHX9CUQa/FpB9ZwAD45N1uhCW4MT/Wj7m36PbKss=
 go.etcd.io/bbolt v1.3.2/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=