Merge pull request #345 from kdambekalns/commit-message-raw

Add method to fetch raw commit message
diff --git a/commit.go b/commit.go
index 6830da3..07b7c37 100644
--- a/commit.go
+++ b/commit.go
@@ -22,6 +22,10 @@
 	return C.GoString(C.git_commit_message(c.cast_ptr))
 }
 
+func (c Commit) RawMessage() string {
+	return C.GoString(C.git_commit_message_raw(c.cast_ptr))
+}
+
 func (c Commit) Summary() string {
 	return C.GoString(C.git_commit_summary(c.cast_ptr))
 }