Bukkit

Changelog:

• v1.6 - Pistons will naturally break when they attempt to push a block out of a passage. Sticky pistons cannot pull blocks out of passages. Added the allow/deny options for passages.
  
• v1.5a - The .deny permission has been a pain for several versions now, and has been removed. Working on a command-based replacement.
  
• v1.5 - Cleaned up code for new syntax, as well as (hopefully) squashing the SuperPerms bug (again). Also killed the unintended bug of being able to stack timed reactivations of a passage.
  
• v1.4 - Fixed logic bug in SuperPerms support, added timers and building in creative mode.
  
• v1.3a - Hopeful fix for accidentally breaking protection plugins.
  
• v1.3 - Tried to make redstone more multi-world friendly, added redstone options to config file, provided variable to allow automatic updating of config if needed later.
  
• v1.2a - Added code to Redstone enabling process for stability.
  
• v1.2 - Preliminary redstone support.
  
• v1.1b - Fixed faulty logic from trying to code at 1am.
  
• v1.1a - Quick fix to counter accidentally gaining the deny permission
  
• v1.1 - Fixed support for new blocks, as well as removing blocks from passages.
  
• v1.0 - Added SuperPerms support, putting this at a comfortable "proper release" point.
  
• v0.9.1 - Bugfix for NPE in passage construction.
  
• v0.9 - Added storage of block data, with legacy support for older passages.
  
• v0.8 - Stable release with source included.
  
• v0.1-v0.7 - Unstable versions as I destroyed bugs and added features.