Fixed .im TLD, however regexp could be a bit better

Added support for .IM domains.
Its strange that awk or the code seems to have a problem with the regexp:
DATE_DD_MM_YYYY_SLASH = "[0-9][0-9]\/[0-9][0-9]\/[0-9][0-9][0-9][0-9]"

So I used:
DATE_DD_MM_YYYY_SLASH = "[0-9][0-9]"