Added support for faulty use of cases in apartment partition, stairway or plot partition.
Also changes into proper cases.
Updated documentation.
Added type hint for performance.
renamed deftests.
Added latin support for stairways and apartment/plot division letters.
Added postcode and postoffice support into parsing.
Added examples of postcode and postoffice support.
Added support for whitespace in the postoffice names.
New published revision 0.6.0