* use wcsncpy

* fix FileSystem::TraversalDir

* avoid wcscat

* remove wcscat

* add BufferIO::CopyWideString

* struct Config: path string changed to wchar_t[256]

* Revert "use wcsncpy"

This reverts commit b05e0c96.

* check lastcategory, lastdeck

* fix Game::LoadConfig

max length of filename should be determined by file system

* remove wcscpy

* use BufferIO::CopyWideString

* fix UpdateDeck

* myfilesystem: use std functions

* DataManager: fix GetNumString (#2603)

* DataManager: fix FormatAttribute, FormatRace

* update FormatAttribute, FormatRace

* DataManager: fix FormatType

* update FormatType

* DataManager: fix FormatSetName

* DataManager: fix FormatLinkMarker

* merge

* DataManager: fix GetNumString

* rebuild class ustring16 from edopro version

* add stringw conversion

core::stringw in current version does not have data()

* add CGUITTFont::drawUstring

* use drawUstring

* update DrawShadowText

* fix Game::lpcstring

* fix DuelInfo::vic_string

* add PACK_MAX_SIZE

* add IsExtension (#2604)

* CGUITTFont: use override

* ustring16: only accept basic_string