The Trunk: Installer-Core-ul.91.mcz

Levente Uzonyi uploaded a new version of Installer-Core to project The Trunk:
http://source.squeak.org/trunk/Installer-Core-ul.91.mcz

==================== Summary ====================

Name: Installer-Core-ul.91
Author: ul
Time: 12 December 2009, 2:23:15 am
UUID: 51e9f361-7e14-ba4a-aa96-5cf37ba5820b
Ancestors: Installer-Core-nice.90

- replace sends of #ifNotNilDo: to #ifNotNil:, #ifNil:ifNotNilDo: to #ifNil:ifNotNil:, #ifNotNilDo:ifNil: to #ifNotNil:ifNil:

=============== Diff against Installer-Core-nice.90 ===============

Item was changed:
  ----- Method: Installer>>installMCZ:from: (in category 'mantis') -----
  installMCZ: aFileName from: stream
 
+ self classMczInstaller ifNotNil: [ :reader | ^reader installStream: stream].  
+ self classMCMczReader ifNotNil: [ :reader | ^(reader versionFromStream: stream) load].
- self classMczInstaller ifNotNilDo: [ :reader | ^reader installStream: stream].  
- self classMCMczReader ifNotNilDo: [ :reader | ^(reader versionFromStream: stream) load].
 
  self error: 'no monticello readers available'.
   !