SnevenTracker 0.2.2

• Overloaded NE0 / NE1 for noise reset enable effect
• Added SN76489 stereo separation to mixer menu
• Re-added file association
• SN76489 VGM logger now eliminates extra register writes that have no side effects
• Extended VGM header size so that it will not be misinterpreted by certain players
• Fixed text export and import (for SN7T only)
• Renamed NCx to "Channel swap"
• Samples are now properly downmixed to mono for visualizers