Feature/fix 256

[romaninsh]

fix for #256

[codecov]

Codecov Report

Merging #257 into develop will increase coverage by 0.16%.
The diff coverage is 0%.

@@              Coverage Diff              @@
##             develop     #257      +/-   ##
=============================================
+ Coverage      77.77%   77.93%   +0.16%     
- Complexity       849      851       +2     
=============================================
  Files             16       16              
  Lines           1908     1940      +32     
=============================================
+ Hits            1484     1512      +28     
- Misses           424      428       +4

Impacted Files	Coverage Δ	Complexity Δ
src/Persistence.php	53.62% <0%> (ø)	79 <0> (ø)	⬇️
src/ValidationException.php	89.65% <0%> (-10.35%)	4% <0%> (-1%)
src/Reference_SQL_One.php	87.77% <0%> (+2.06%)	31% <0%> (+3%)	⬆️

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[romaninsh]

Because this issue is a bug, i'd merge it even if coverage is insufficient.

[DarkSide666]

nice