Add global gAdvancedUnicode which will be needed to address differences between engine version ≥ 7 and prior versions
Add handlers to address the Unicode support of LiveCode 7
Add default character set setting used by handlers that require a character set to be provided
Make adjustments to go conform with the Unicode support of LiveCode 7
Revert "Make adjustments to go conform with the Unicode support of LiveCode 7"

This reverts commit d7469183e4d8e5ec2c7e81e07bad7767e91e4443.
Make adjustments to go conform with the Unicode support of LiveCode 7
Make adjustments to go conform with the Unicode support of LiveCode 7
Make adjustments to go conform with the Unicode support of LiveCode 7
Make adjustments to go conform with the Unicode support of LiveCode 7
Make adjustments to go conform with the Unicode support of LiveCode 7
Revert "Make adjustments to go conform with the Unicode support of LiveCode 7"

This reverts commit e88b26cfc3c2326f24f82d09bc1f046db9aca078.
Make adjustments to go conform with the Unicode support of LiveCode 7
Make adjustments to go conform with the Unicode support of LiveCode 7
Make adjustments to go conform with the Unicode support of LiveCode 7
Make adjustments to go conform with the Unicode support of LiveCode 7
Make adjustments to go conform with the Unicode support of LiveCode 7
Make adjustments to go conform with the Unicode support of LiveCode 7
Add function to address the Unicode support of LiveCode 7
Make adjustments to go conform with the Unicode support of LiveCode 7
Make adjustments to go conform with the Unicode support of LiveCode 7