V 0.1
>Mesecons
> Power Plants
> Blinky Plants
> Buttons
> Hydro Turbines
> Meselamps
> Movestones
> Removestones
> Silicon
> Solar Panels

V 0.2
> Added Wirless Transmitters
> Added Wireless Receivers
> Added Wireless Inverters
> Added sticky movestone
> Changed texture for Hydro turbine
--> Big thx to jordan4ibanez for the new one
> Fixed multiple bugs
--> If the server crashes on startup or so, just have a look at a pos below
I'm talking about a known error there.
0.3 to 0.4 work from minetest 20111228,

V 0.3
> Added Piston
> Added Sticky Piston
(Both anymations look quite strange yet, will be changed as soon as possible)
> Fixed bugs, esepcially those belonging to the wireless mesecon stuff
> Hatches (Download as an Addon in a post below)
> Added possibility for different mesecon rules
> Some internal changes
--> This Version is mostly an under-the-hood-update, expect more functionality (pressure plates) in version 0.31
V 0.31
> Pistons can also move blocks up/down (when signal is below/above)
> Sticky pistons only move back 1 block
> Added pressure plates (Wood+Stone)
> Added Object detector
> Bugfixes
> Receptors can specify mesecon rules

V 0.4
> Standard nodes with inventory can't be moved by Pistons/Movestones
> Object detector only detects players
> Temperest's code added. See post below how to enable it.
> Bugfixes
For minetest Version 0.4.dev-20120122-1 and later,

V 0.5
> Apply Itemdef Changes for new minetest versions
> Add Mesecon Torches (Thx to sfan55)
> Added Descriptions (for inventory)
> Object detector with sign below detects only Player who's name is on the sign
> Added Lightstone
> Bugfixes

V 0.9
> Noteblock
> Mesecon Delayers
> Compatibility with latest minetest version
> Bugfixes
> Splitup of mod into modules, can be deleted & added by user
> Version number jump (mesecons are nearly finished. Will be 1.0 as soon as minetest 0.4 is stable.)