Move the documentation for SFBool to the right place.

This fixes the issue where the SFBool documentation is presented as package level documentation by godoc.org which may lead people to believe that the sobjects package should not be used at all.

sobjects/bool.go

@@ -1,3 +1,7 @@
+package sobjects
+
+import "encoding/json"
+
 // Don't use this! It was an interesting effort but in reality all you need is a ptr to a bool. *bool will solve all your problems. :)
 // Used to represent empty bools. Go types are always instantiated with a default value, for bool the default value is false.
 // This makes it difficult to update an SObject without overwriting any boolean field to false.
@@ -10,10 +14,6 @@
 // If no value is set the unmarshaller will skip the field and the int will default to 0.
 // Marshalling: -1 will be marshaled to false, 1 will be marshaled to true, and
 // 0 will be marshaled to nothing (assuming the field has the omitempty json tag `json:",omitempty"`)
-package sobjects
-
-import "encoding/json"
-
 type SFBool int
 
 func (t *SFBool) MarshalJSON() ([]byte, error) {