Don't forget to execute the block\!
#assureExistence is not supported in Pharo2. Use a wrapper instead.
Abstract #recursiveDelete.
Abstract #recursiveDelete.
Abstract #recursiveDelete.
Merge pull request #165 from demarey/master

Updates for Pharo2 support.
Merge branch 'master' into issue_162

Conflicts:
	repository/Metacello-Core.package/monticello.meta/version