Switch userRights to BigInteger

[jimirocks]

No description provided.

[codecov]

Codecov Report

Merging #139 (d481e87) into master (fdeba67) will decrease coverage by 0.00%.
The diff coverage is 77.27%.

@@             Coverage Diff              @@
##             master     #139      +/-   ##
============================================
- Coverage     78.81%   78.81%   -0.01%     
- Complexity      537      567      +30     
============================================
  Files            77       80       +3     
  Lines          1539     1652     +113     
  Branches        124      132       +8     
============================================
+ Hits           1213     1302      +89     
- Misses          256      275      +19     
- Partials         70       75       +5     

Impacted Files	Coverage Δ
.../main/java/cz/smarteon/loxone/LoxoneWebSocket.java	63.27% <0.00%> (ø)
...eon/loxone/discovery/LoxoneDiscoveryException.java	0.00% <0.00%> (ø)
...marteon/loxone/discovery/MiniserverDiscoverer.java	76.38% <76.38%> (ø)
...smarteon/loxone/discovery/MiniserverDiscovery.java	91.89% <91.89%> (ø)
src/main/java/cz/smarteon/loxone/Codec.java	93.33% <100.00%> (ø)
...in/java/cz/smarteon/loxone/app/MiniserverUser.java	100.00% <100.00%> (ø)

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