escape stty cmd before executing it

[aldas]

No description provided.

[codecov]

Codecov Report

Merging #54 into master will increase coverage by 0.00%.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master      #54   +/-   ##
=========================================
  Coverage     99.08%   99.08%           
  Complexity      752      752           
=========================================
  Files            63       63           
  Lines          1742     1743    +1     
=========================================
+ Hits           1726     1727    +1     
  Misses           16       16           

Flag	Coverage Δ	Complexity Δ
#unittests	99.08% <ø> (+<0.01%)	752.00 <ø> (ø)

Impacted Files	Coverage Δ	Complexity Δ
src/Network/SerialStreamCreator.php	92.85% <ø> (+0.54%)	4.00 <0.00> (ø)

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