Oats and Flax Seeds Granola Bars

4 cups oats
1 cup flax seeds
1 cup chopped pecans
1/2 cup crunchy peanut butter
1/3 cup turbinado sugar or brown sugar
1/3 cup blue agave sugar
1/3 cup honey
1 stick butter
1 tsp cinnamon
1 tsp vanilla
1 cup dried cranberries
1 cup chopped dates