Simplify Bool, Int, String helpers.

Code simplification suggestion by @gmlewis.

Closes #350

github/github.go

@@ -760,24 +760,12 @@ func cloneRequest(r *http.Request) *http.Request {
 
 // Bool is a helper routine that allocates a new bool value
 // to store v and returns a pointer to it.
-func Bool(v bool) *bool {
-	p := new(bool)
-	*p = v
-	return p
-}
+func Bool(v bool) *bool { return &v }
 
 // Int is a helper routine that allocates a new int value
 // to store v and returns a pointer to it.
-func Int(v int) *int {
-	p := new(int)
-	*p = v
-	return p
-}
+func Int(v int) *int { return &v }
 
 // String is a helper routine that allocates a new string value
 // to store v and returns a pointer to it.
-func String(v string) *string {
-	p := new(string)
-	*p = v
-	return p
-}
+func String(v string) *string { return &v }