Set expire time to the cookie as well

iOS full screen websites otherwise delete the cookie on each start.
Style nit on expire_date, and tests for same
Add 'destroy' function to wipe everything
v0.2.0
Set expire time to the cookie as well

iOS full screen websites otherwise delete the cookie on each start.
Style nit on expire_date, and tests for same
Add 'destroy' function to wipe everything
v0.2.0
cookieOptions for passing options to cookies

Use `util._extend`

instead of inlined `extend` function

test case for cookieOptions

remove console.error logging

make conf file work with older redis's

got tests working
fixed up actual fixes
merged in isaacs/master