fix exported type getting in unity 2017.2 or newer

 fix interface export

fix progress update

open ext lib as default

fix allocID return wrong value on finding cached ud

Merge branch 'master' of https://github.com/pangweiwei/slua

Merge pull request pangweiwei#170 from soulgame/compile

improve compile2dll: exclude editor related

fix constructor of valuetype

Merge pull request pangweiwei#160 from veboys/master

fix WriteEvent method, it can generate the right checkType method for the value type now

 fix multi-defination of ObjEqualityComparer