Handle events

- Adds interfaces for developers to build handlers that update data in
response to log events
- Resolves #29

Gopkg.lock

@@ -1,12 +1,6 @@
 # This file is autogenerated, do not edit; changes may be undone by the next 'dep ensure'.
 
 
-[[projects]]
-  name = "github.com/BurntSushi/toml"
-  packages = ["."]
-  revision = "b26d9c308763d68093482582cea63d69be07a0f0"
-  version = "v0.3.0"
-
 [[projects]]
   branch = "master"
   name = "github.com/aristanetworks/goarista"
@@ -152,27 +146,6 @@
   packages = ["."]
   revision = "b4575eea38cca1123ec2dc90c26529b5c5acfcff"
 
-[[projects]]
-  branch = "master"
-  name = "github.com/neelance/graphql-go"
-  packages = [
-    ".",
-    "errors",
-    "internal/common",
-    "internal/exec",
-    "internal/exec/packer",
-    "internal/exec/resolvable",
-    "internal/exec/selected",
-    "internal/query",
-    "internal/schema",
-    "internal/validation",
-    "introspection",
-    "log",
-    "relay",
-    "trace"
-  ]
-  revision = "b46637030579abd312c5eea21d36845b6e9e7ca4"
-
 [[projects]]
   name = "github.com/onsi/ginkgo"
   packages = [
@@ -218,16 +191,6 @@
   revision = "c893efa28eb45626cdaa76c9f653b62488858837"
   version = "v1.2.0"
 
-[[projects]]
-  name = "github.com/opentracing/opentracing-go"
-  packages = [
-    ".",
-    "ext",
-    "log"
-  ]
-  revision = "1949ddbfd147afd4d964a9f00b24eb291e0e7c38"
-  version = "v1.0.2"
-
 [[projects]]
   name = "github.com/pelletier/go-toml"
   packages = ["."]
@@ -379,6 +342,6 @@
 [solve-meta]
   analyzer-name = "dep"
   analyzer-version = 1
-  inputs-digest = "4d1806bf6a5678261abb604455d0076906ca5aba42e8625ee09cae019fb21d40"
+  inputs-digest = "61dea45437b8efb926e1f7446fef75449f89530b201c2ab1893469d13a37b0c9"
   solver-name = "gps-cdcl"
   solver-version = 1