Version 2.9.0

• Fixed: Prevented invalid properties from being set when saving a snippet
• Fixed: Use the correct protocol when saving a snippet
• Improved: Moved code to disable snippet execution into a filter hook
• Fixed: Active shared snippets not being updated correctly
• Improved: execute_active_snippets() function updated with improved efficiency
• Improved: Renamed Snippet class to avoid name collisions with other plugins
• Improved: Don't hide output when executing a snippet