Fix some cases related to the Stub tests where _debug doesn't get defined at the
appropriate point. Now _debug is defined and set in both the lousy reference
frame and the test reference frame.


git-svn-id: svn+ssh://svnrepo/projects/lousy/trunk@7261 561c3618-0fe6-0310-b5d6-fc65c73fee30
Nitpick commit

git-svn-id: svn+ssh://svnrepo/projects/lousy/trunk@7262 561c3618-0fe6-0310-b5d6-fc65c73fee30
Add a test for the slightly complicated string method


git-svn-id: svn+ssh://svnrepo/projects/lousy/trunk@7264 561c3618-0fe6-0310-b5d6-fc65c73fee30
Add an option to be loose with matching Vtty frame buffers such that an unset
cell is equal to a cell with just a space in it.


git-svn-id: svn+ssh://svnrepo/projects/lousy/trunk@7265 561c3618-0fe6-0310-b5d6-fc65c73fee30
Implement the clear screen to end and clear screen from start escape codes.


git-svn-id: svn+ssh://svnrepo/projects/lousy/trunk@7267 561c3618-0fe6-0310-b5d6-fc65c73fee30