Vaccine Therapy and Sargramostim With or Without Docetaxel in Treating Patients With Metastatic Lung Cancer or Metastatic Colorectal Cancer

extensive stage small cell lung cancer, recurrent colon cancer, recurrent non-small cell lung cancer, recurrent rectal cancer, recurrent small cell lung cancer, stage iv colon cancer, stage iv non-small cell lung cancer, stage iv rectal cancer, interventional, phase1