Well status in schedule

[anders-kiaer]

Closes #22.

[edubarrosTNO]

I saw all the checks and reviewer's approval ✅ and took the liberty to merge the PR, because I wanted to try this fix as soon as possible. But there seems to be a bug: the wells are all showing at 'STOP' status in the history schedule (both producers and injectors)

WCONHIST
-- WELL OPEN/ CNTL OIL  WAT  GAS  VFP   VFP  THP  BHP
-- NAME SHUT  MODE RATE RATE RATE TABLE ALFQ PRES PRES
  'BR-P-1' 'STOP' 'RESV' 317.9749 0.0051 0 1* 1* 63.7635 69.8381 /
  (...)
/
WCONINJH
-- WELL FLUID OPEN/ SURF RESV BHP  THP  VFP   NOT  CNTL
-- NAME TYPE  SHUT  RATE RATE PRES PRES TABLE USED MODE
  'BR-I-1' 'WATER' 'STOP' 635.9500 150.8748 0 1* 1* /
  (...)
/