Declare doctests needing NORMALIZE_WHITESPACE & ELLIPSIS
Declare doctests needing NORMALIZE_WHITESPACE & ELLIPSIS

Also corrects parsing errors due to tests missing the Python REPL's
line continuation prompt (i.e. ...).

abalkin/dateutil,pganssle/dateutil-test-codecov,pganssle/dateutil-test-codecov,jenshnielsen/dateutil,abalkin/dateutil