fixed major bug where rss feeds would get "stuck" on one date. also faster.
fixed major bug where rss feeds would get "stuck" on one date. also faster.

git-svn-id: https://beagle.whoi.edu/svn/ifcb/trunk@145 9f5e5bc8-6430-4f94-ad00-aad15e9f9366

Former-commit-id: d78596d034468f9bc01e69778f910b0cf386704e
hsosik/ifcb-analysis,hsosik/ifcb-analysis,hsosik/ifcb-analysis,hsosik/ifcb-analysis,hsosik/ifcb-analysis