expressions working

Signed-off-by: Casey Lee <cplee@nektos.com>

vendor/github.com/robertkrimen/otto/registry/README.markdown

@@ -0,0 +1,51 @@
+# registry
+--
+    import "github.com/robertkrimen/otto/registry"
+
+Package registry is an expirmental package to facillitate altering the otto
+runtime via import.
+
+This interface can change at any time.
+
+## Usage
+
+#### func  Apply
+
+```go
+func Apply(callback func(Entry))
+```
+
+#### type Entry
+
+```go
+type Entry struct {
+}
+```
+
+
+#### func  Register
+
+```go
+func Register(source func() string) *Entry
+```
+
+#### func (*Entry) Disable
+
+```go
+func (self *Entry) Disable()
+```
+
+#### func (*Entry) Enable
+
+```go
+func (self *Entry) Enable()
+```
+
+#### func (Entry) Source
+
+```go
+func (self Entry) Source() string
+```
+
+--
+**godocdown** http://github.com/robertkrimen/godocdown