MCFS: Changelog from Google Docs / Minecraft

Changelog for: "[MOD] MCFS, Single File Save System v0.6.5 [MC Beta 1.2_02]"
Source: https://docs.google.com/document/d/1KhDuShrzD4vKWwSD6_5fKhtXuVyiMpfKXJ5LAMLLEAU/edit?hl=en

v0.6.4 - v0.6.5
- Updated to MC 1.2_01
- Server pure memory version now uses multi-threading (background writes)

v0.6.3 - v0.6.4
- New multiplayer pure memory feature.
- Fixed a bug causing client crashes when playing online with pure memory version installed.
- Server patch now uses code injection (should fix some other potentially unknown bugs)
- Pure memory versions now only save chunks that have been changed (should speed up saves a bit).

v0.6.2 - v0.6.3
- Updated to Minecraft Beta 1.1_02
- Added a read-only world feature.

v0.6.1 - v0.6.2
- Pure memory version now saves to disk automatically when you click Save and Exit.
- Pure memory version also saves when you press escape and wait for "saving level" to disappear.
- Worlds are now cleanly closed everytime you press Save and Exit in all versions.
- Fixed a bug in the patcher that would cause it to sometimes not properly overwrite backups.
- Other minor improvements.

v0.6.0 - v0.6.1
- Updated to support Minecraft version 1.2.6

v0.5.9 - v0.6.0
- Updated to support Minecraft version 1.2.4_01
- Added a option to the pure memory version to save to file without closing the world.

v0.5.8 - v0.5.9
- Updated to support Minecraft version 1.2.3_04

v0.5.7 - v0.5.8
- Updated to support Minecraft version 1.2.3_01

v0.5.6 - v0.5.7
- Added Command Line Patcher
- Changed the "Advanced" version of the world utility...

v0.5.5 - v0.5.6
- World files no longer start at 20MB in size. This is to reduce download / upload times for backups.
- Also, free space on the end of the file is trimmed off when the world opens or closes.
- Minor improvements to the anti-corruption mechanisms.
- World files should open slightly faster now.
- Minor cleanups.

v0.5.4 - v0.5.5
- New Automatic world Import Utility.
- Simplified the existing Import Utility.
- Made all MCFS public functions synchronized (for multi-threading safety)
- Put the code in a package.
- Code cleanups / tweaks.

v0.5.3 - v0.5.4
- New Auto-Patching Utility.
- Fixed pressure plate / door bug.

v0.5.2 - v0.5.3
- Updated to latest Minecraft version.
- Fixed Linux slowness problems.

v0.5.1 - v0.5.2
 - Fixed serious bug in the memory version of MCFS causing chunks to not load.
 - Fixed bug causing it to think the world is open in multiple locations.
 - Fixed bug in MCFS with the listStoredBlocks() function (the root cause of the first bug)
 - Fixed utility not opening problem under linux / mac. (still working on linux slowness problem, see Known Bugs)
 - Updated the utility to have real progress bars with percentages :)
 - Other minor changes / tweaks

v0.5 - v0.5.1
 - Updated to work with latest minecraft.
 - Made import / export buttons in the utility less confusing :)
 - Released some benchmarking utilities for MCFS. (these are incomplete, included in the download)

v0.4 - v0.5
 - Almost completely rewritten everything
 - Implement fail-safe functionality (help prevent corruption due to minecraft crashes, etc...)
 - Saves from v0.4 will [b]NOT[/b] be compatible (due to addition of fail-safes)
 - Once again, performance enhancements due to optimization
 - Gave the file a proper header to make future changes easier and more compatible
 - Complete rewrite of level.dat and (playername).dat storage system.
 - Neater, simpler, and easier to use utility for importing and exporting world
 - Miscellaneous tweaks / code cleanups / bug fixes
 - Documentation Spreadsheet is now much easier to read (colorful too :P)

v0.3.1 - v0.4
 - Integrates MCFS into the new Halloween minecraft update.
 - Saves from v0.3.1 will still be compatible
 - Major performance enhancements
 - Block lookup code enhanced to use Java HashMap (much faster on large maps)
 - Free space now calculated on world open, not stored in file anymore.
 - More intelligent disk writes

v0.3 - v0.3.1 (bug fix)
- Fixed bug exporting level.dat from the world, present in the v0.3 release.

v0.2.1 - v0.3
- Made replacing existing blocks more CPU and Disk usage efficient.
- Added support for 3rd axis to block locations for future use. (hell level that notch is introducing)
- v0.2.1 saves will NOT be compatible with this version.
- Threw away old documentation and made a nice spreadsheet.
- Fixed bug that could have caused level.dat to not be written to disk properly.
- Fixed a rare bug that could cause block corruption.
- Session.lock replacement works now... (a obscure thing that I never tested apparently)
- Finalized the file container format (for a good while anyway)

v0.2 - v0.2.1
- Added server support.
- Fixed issue with worlds size showing up incorrectly.
- Saves compatible with v0.2 (backup recommended just in case)

v0.1 - v0.2
- Fixed issue with worlds showing up as empty.
- Fixed not being able to delete worlds from menu.
- Fixed issue where empty world folders were still created.
- Performance tweaks.
- Changed initial world container size to 20MB to help avoid filesystem fragmentation caused from file growth.
- Added (incomplete) documentation of world file and MCFS.class functions.

v0.1
Initial Release