Cleanup (remove 1 method that should not be in core and 1 method that consisted of 1 line). Also make getSiblings public so plugins etc can use it.
Cleanup (remove 1 method that should not be in core and 1 method that consisted of 1 line). Also make getSiblings public so plugins etc can use it.

git-svn-id: 6e5f6f61bd1b925b71fe8065f445f9178a317ca5@287 7701cf9b-ed3c-0410-a7c3-1ff289697e89

shauvik/crawljax-old,shauvik/crawljax-old