[ctioga2] prepare for version 0.7

git-svn-id: svn+ssh://rubyforge.org/var/svn/ctioga2/trunk/ctioga2@539 86c91514-0d3b-42e0-aed1-4dfce116d947
[ctioga2] disable two spurious debug outputs

git-svn-id: svn+ssh://rubyforge.org/var/svn/ctioga2/trunk/ctioga2@540 86c91514-0d3b-42e0-aed1-4dfce116d947