Implement clearing tabstops


git-svn-id: svn+ssh://svnrepo/projects/tachyon/trunk@7533 561c3618-0fe6-0310-b5d6-fc65c73fee30
Implement setting tabstops


git-svn-id: svn+ssh://svnrepo/projects/tachyon/trunk@7534 561c3618-0fe6-0310-b5d6-fc65c73fee30
Standardize on opening brace of function on the same line


git-svn-id: svn+ssh://svnrepo/projects/tachyon/trunk@7535 561c3618-0fe6-0310-b5d6-fc65c73fee30