Some more unicode compile crash fixes.

Cython/Compiler/Nodes.py

@@ -3610,7 +3610,7 @@ class CImportStatNode(StatNode):
             return
         module_scope = env.find_module(self.module_name, self.pos)
         if "." in self.module_name:
-            names = self.module_name.split(".")
+            names = [EncodedString(name) for name in self.module_name.split(".")]
             top_name = names[0]
             top_module_scope = env.context.find_submodule(top_name)
             module_scope = top_module_scope

Cython/Compiler/Symtab.py

@@ -1263,7 +1263,7 @@ class CClassScope(ClassScope):
         if name == "__new__":
             warning(pos, "__new__ method of extension type will change semantics "
                 "in a future version of Pyrex and Cython. Use __cinit__ instead.")
-            name = "__cinit__"
+            name = Utils.EncodedString("__cinit__")
         entry = self.declare_var(name, py_object_type, pos)
         special_sig = get_special_method_signature(name)
         if special_sig:
@@ -1280,7 +1280,7 @@ class CClassScope(ClassScope):
     
     def lookup_here(self, name):
         if name == "__new__":
-            name = "__cinit__"
+            name = Utils.EncodedString("__cinit__")
         return ClassScope.lookup_here(self, name)
     
     def declare_cfunction(self, name, type, pos,

tests/compile/dotted_cimport.pyx

+cimport dotted_cimport_submodule.a
+import dotted_cimport_submodule.b