Sets default timeout to 30s and adds timeout management

[alexgolec]

No description provided.

[codecov]

Codecov Report

Merging #315 (8bbf9b6) into master (b1069e6) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master     #315   +/-   ##
=======================================
  Coverage   99.58%   99.59%           
=======================================
  Files          19       19           
  Lines        2195     2198    +3     
  Branches      307      307           
=======================================
+ Hits         2186     2189    +3     
  Misses          4        4           
  Partials        5        5           

Flag	Coverage Δ
unittests	99.59% <100.00%> (+<0.01%)	⬆️

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Impacted Files	Coverage Δ
tda/client/base.py	99.56% <100.00%> (+<0.01%)	⬆️

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