Import "log" for the example

yelinaung · yelinaung · commit 0ecec444f417 · 2016-01-07T16:46:43.000+06:30
Since the example is using `log.Fatalln(err.Error())`, it should import `log` too.
diff --git a/README.md b/README.md
@@ -34,6 +34,7 @@ Setting up a basic connection with RethinkDB is simple:
 ```go
 import (
     r "github.com/dancannon/gorethink"
+    "log"
 )
 
 var session *r.Session

Original file line number	Diff line number	Diff line change
`@@ -34,6 +34,7 @@ Setting up a basic connection with RethinkDB is simple:`
`34`	`34`	```go
`35`	`35`	`import (`
`36`	`36`	`r "github.com/dancannon/gorethink"`
	`37`	`+ "log"`
`37`	`38`	`)`
`38`	`39`
`39`	`40`	`var session *r.Session`