Unpin dependencies (#1252)

Signed-off-by: Prithvi Raj <[email protected]>

Gopkg.toml

@@ -25,93 +25,81 @@
 #   unused-packages = true
 
 
-[[constraint]]
-  name = "github.com/Shopify/sarama"
-  version = "=1.16.0"
-
 [[constraint]]
   name = "github.com/apache/thrift"
   version = "=0.9.3"
 
 [[constraint]]
   name = "github.com/bsm/sarama-cluster"
-  version = "=2.1.13"
+  version = "^2.1.13"
 
 [[constraint]]
   branch = "master"
   name = "github.com/crossdock/crossdock-go"
 
-[[constraint]]
-  name = "github.com/go-openapi/loads"
-  version = "=0.16.0"
-
 [[constraint]]
   name = "github.com/gorilla/handlers"
-  version = "=1.2.0"
+  version = "^1.2.0"
 
 [[constraint]]
   name = "github.com/gorilla/mux"
-  version = "=1.3.0"
+  version = "^1.3.0"
 
 [[constraint]]
   name = "github.com/opentracing/opentracing-go"
-  version = "=1.0.2"
+  version = "^1.0.2"
 
 [[constraint]]
   name = "github.com/pkg/errors"
-  version = "=0.8.0"
+  version = "^0.8.0"
 
 [[constraint]]
   name = "github.com/prometheus/client_golang"
-  version = "=0.8.0"
+  version = "^0.8.0"
 
 [[constraint]]
   name = "github.com/spf13/cobra"
-  version = "0.0.1"
+  version = "^0.0.1"
 
 [[constraint]]
   name = "github.com/spf13/pflag"
-  version = "1.0.0"
+  version = "^1.0.0"
 
 [[constraint]]
   name = "github.com/spf13/viper"
-  version = "1.0.0"
+  version = "^1.0.0"
 
 [[constraint]]
   name = "github.com/stretchr/testify"
-  version = "=1.2.1"
+  version = "^1.2.1"
 
 [[constraint]]
   name = "github.com/uber/jaeger-client-go"
-  version = "2.15.0"
+  version = "^2.15.0"
 
 [[constraint]]
   name = "github.com/uber/jaeger-lib"
-  version = "1.5.0"
+  version = "^1.5.0"
 
 [[constraint]]
   name = "github.com/uber/tchannel-go"
-  version = "=1.1.0"
-
-[[constraint]]
-  name = "go.uber.org/atomic"
-  version = "=1.3.2"
+  version = "^1.1.0"
 
 [[constraint]]
   name = "go.uber.org/zap"
-  version = "1.0.0"
+  version = "^1.0.0"
 
 [[constraint]]
   name = "google.golang.org/grpc"
-  version = "=1.11.0"
+  version = "^1.11.0"
 
 [[constraint]]
   name = "gopkg.in/olivere/elastic.v5"
-  version = "=5.0.53"
+  version = "^5.0.53"
 
-[[constraint]]
-  name = "gopkg.in/yaml.v2"
-  version = "=2.0.0"
+ [[constraint]]
+  name = "github.com/gocql/gocql"
+  branch = "master"
 
 [prune]
   go-tests = true