revert user_lookup() boot dict_lookup and add useriter_lookup() dict…

…iter_lookup() (#305)

* changed member type on LuaMemory  iter, utermember LuaMemory

Signed-off-by: shewer <[email protected]>

* add DictionaryReg UserDictionaryReg

Signed-off-by: shewer <[email protected]>

* 增加 SentenceReg ,update_candidate , :update_entry 增加leng_name 用於檢查 lasguage

Signed-off-by: shewer <[email protected]>

* revert user_lookup() boot dict_lookup and add useriter_lookup() dictiter_lookup()

Signed-off-by: shewer <[email protected]>

* 增加 Translation.exhausted  UserDictEntryIterator DictEntryIterator get_vars( exhausted, size)

Signed-off-by: shewer <[email protected]>

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Signed-off-by: shewer <[email protected]>