Fixed issue #67: daterange cannot hande a min or max value of 0 (1-1-1970 00:00)
Fixed issue #67: daterange cannot hande a min or max value of 0 (1-1-1970 00:00)

stefanofornari/chap-links-library,stefanofornari/chap-links-library,LodoSoftware/chap-links-library,LodoSoftware/chap-links-library,stefanofornari/chap-links-library,stefanofornari/chap-links-library,royquintanar/chap-links-library,shelsonjava/chap-links-library,LodoSoftware/chap-links-library,royquintanar/chap-links-library,almende/chap-links-library,royquintanar/chap-links-library,hansmaulwurf23/chap-links-library,shelsonjava/chap-links-library,ova2/chap-links-library,almende/chap-links-library,almende/chap-links-library,hansmaulwurf23/chap-links-library,LodoSoftware/chap-links-library,hansmaulwurf23/chap-links-library,almende/chap-links-library,shelsonjava/chap-links-library,royquintanar/chap-links-library,shelsonjava/chap-links-library,shelsonjava/chap-links-library,stefanofornari/chap-links-library,ova2/chap-links-library,LodoSoftware/chap-links-library,ova2/chap-links-library,almende/chap-links-library,ova2/chap-links-library,ova2/chap-links-library,stefanofornari/chap-links-library,royquintanar/chap-links-library,ova2/chap-links-library,hansmaulwurf23/chap-links-library,almende/chap-links-library,hansmaulwurf23/chap-links-library,royquintanar/chap-links-library,LodoSoftware/chap-links-library,shelsonjava/chap-links-library,hansmaulwurf23/chap-links-library