Fixed whitespace issue in typing sections and added test cases.

tests/data/issues/issue-7.pddl

@@ -0,0 +1,8 @@
+(define
+	(domain mystery-typed)
+	(:requirements :typing)
+	(:types
+		foo - object
+		bar - (either foo foo)
+	)
+)

tests/data/issues/issue-8.pddl

@@ -0,0 +1,9 @@
+(define (domain miconic)
+	(:requirements :typing)
+	(:types
+		object
+		passenger - object
+		floor - object
+	)
+)
+