This finally solves issues with DBSC console codepages, and in
general improves the console codepage switching. When
module_initialized, all the possible encoding INI settings with
regard to possible modifications are set, and that's the
right moment to switch the console codepage in regard to I/O.
CJK glyphs might take more than 1 cell, so then visual issues
can occur, when switching console codepage back and forth. Users
are free to use ini_set(), but any visual issues are then up to
the user responsibility.
b91d7f186a