- pass all data to scripts in Unicode environment;
- script which doesn’t support Unicode can access ANSI-version of
environment, which is provided by Windows automatically from the
Unicode-version.
1) replaced characters arrays with class BString through the whole
program. The string formatting code has become much cleaner.
2) class Util returns error message via CString instead of character
buffers.
3) few more places to use CString.
