TorstenBergmann / IRIS

Gofer it  
 smalltalkhubUser: 'TorstenBergmann' project: 'IRIS';
 configuration;
 load.

(Smalltalk at: #ConfigurationOfIRIS) loadBleedingEdge

or even easier

Metacello new 
    smalltalkhubUser: 'TorstenBergmann' project: 'IRIS';
    configuration: 'IRIS';
    version: #bleedingEdge;
    load.