i was post this bug
https://bugs.alliedmods.net/show_bug.cgi?id=4098
tested your new webternet.ext.dll, load success
but show
L 01/20/2010 - 21:23:04: [UPDATER] --- BEGIN ERRORS FROM AUTOMATIC UPDATER ---
L 01/20/2010 - 21:23:04: [UPDATER] Parse error in update manifest: A property was declared outside of a section
L 01/20/2010 - 21:23:04: [UPDATER] --- END ERRORS FROM AUTOMATIC UPDATER ---
SourceMod Version: 1.3.0-dev
SourcePawn Engine: SourcePawn 1.1, jit-x86 (build 1.3.0-dev)
SourcePawn API: v1 = 4, v2 = 3
Compiled on: Oct 29 2009 03:20:47
Build ID: 2841:f9ba61a0f48b-dev
http://www.sourcemod.net/