1. "wcslen" function was called multiple times with "const wchar_t* Path"
2. fix mistake which led to undefined behavior "uint64(High<<32)" -> "uint64(High)<<32"
3. optimize std::vector<>::iterator's usage "iter++" -> "++iter". See preincrement and postincrement operator++()
fix indentation
Merge pull request #3 from maksqwe/master

Some of the fixes and optimization