Fix Chunk method error

[faissaloux]

Fixes #162

[codecov-commenter]

Codecov Report

Merging #163 (71d7199) into master (8609d67) will increase coverage by 1.60%. The diff coverage is 100.00%.

@@             Coverage Diff              @@
##             master     #163      +/-   ##
============================================
+ Coverage     48.92%   50.52%   +1.60%     
- Complexity      108      109       +1     
============================================
  Files            12       12              
  Lines           278      287       +9     
============================================
+ Hits            136      145       +9     
  Misses          142      142              

Impacted Files	Coverage Δ
src/TelegramChannel.php	69.56% <100.00%> (+2.89%)	:arrow_up:
src/Telegram.php	0.00% <0.00%> (ø)
src/TelegramFile.php	0.00% <0.00%> (ø)
src/Traits/HasSharedLogic.php	94.11% <0.00%> (+0.36%)	:arrow_up:
src/TelegramServiceProvider.php	88.88% <0.00%> (+46.03%)	:arrow_up:

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[irazasyed]

Thanks