Log Message:
py-stdnum: updated to 1.17

changes from 1.16 to 1.17
-------------------------

* Add modules for the following number formats:

  - EPIC (Electoral Photo Identity Card, Indian Voter ID)
    (thanks Gaurav Chauhan)
  - GSTIN (Goods and Services Tax identification number, Indian VAT number)
    (thanks Gaurav Chauhan)
  - ISRC (International Standard Recording Code) (thanks Nuno André)
  - CC (Número de Cartão de Cidadão, Portuguese Identity number)
    (thanks David Vaz)
  - Postcode (the Swedish postal code) (thanks Michele Ciccozzi)
  - MOA (Thailand Memorandum of Association Number) (thanks Piruin Panichphol)
  - PIN (Thailand Personal Identification Number) (thanks Piruin Panichphol)
  - TIN (Thailand Taxpayer Identification Number) (thanks Piruin Panichphol)

* Add ENCF validation support for Dominican Republic NCF
  (thanks Cristopher Ortega)
* Add new e-CF types to Dominican Republic NCF (thanks Frank Roberto Chavez Sosa)
* Improve French NIF validation (thanks Dimitri Papadopoulos)
* Drop support for Python 2.6 and 3.4
* Fix parsing of empty fields in Dominican Republic DGII checking
  (thanks Andres Rodriguez)
* Fix handling of empty worksheet in Belgian bank download
  (thanks Dimitri Papadopoulos)
* Fix detection of natural RUC values (thanks Victor Rodriguez)
* Fix Belarus VAT number online lookup again
* Fixes for problems with loading IMSI data from Wikipedia and dealing with
  inconsistencies
* Remove South Korean BRN Fair Trade Commission website check due to CAPTCHA
* Various code and documentation improvements (thanks Dimitri Papadopoulos and \ 
Gaurav Chauhan)