[ctioga2] full control of depth

git-svn-id: svn+ssh://rubyforge.org/var/svn/ctioga2/trunk/ctioga2@531 86c91514-0d3b-42e0-aed1-4dfce116d947
[ctioga2] be smarter about which pager to open

git-svn-id: svn+ssh://rubyforge.org/var/svn/ctioga2/trunk/ctioga2@532 86c91514-0d3b-42e0-aed1-4dfce116d947