Firefox version incorrect detection

[kvspb]

UA: Mozilla/5.0 (Windows NT 6.3; Win64; x64; rv:56.0) Gecko/20100101 Firefox/56.0

ini version

[GJK_Browscap_Version]
Version=6000031
Released=Thu, 29 Nov 2018 08:50:14 +0000
Format=php
Type=FULL

result

Browser = Firefox [Browser] v0.0
Platform = Win8.1 v6.3
Device = Windows Desktop [Desktop] unknown
IsCrawler = false
IsMobile = false

browscap result

browser_name_regex | /^mozilla\/5\.0 \(.*windows nt 6\.3.*win64. x64.*\) gecko.* firefox\/56\.0.*$/
browser_name_pattern | mozilla/5.0 (*windows nt 6.3*win64? x64*) gecko* firefox/56.0*
parent | Firefox 56.0
comment | Firefox 56.0
browser | Firefox
browser_type | Browser
browser_bits | 64
browser_maker | Mozilla Foundation
browser_modus | unknown
version | 56.0
majorver | 56