[PatternSet] Simplified __toString method.

[siad007]

No description provided.

[codecov]

Codecov Report

Merging #1481 (b61decb) into master (67acf77) will decrease coverage by 0.02%.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##             master    #1481      +/-   ##
============================================
- Coverage     52.93%   52.90%   -0.03%     
+ Complexity     9222     9220       -2     
============================================
  Files           470      470              
  Lines         22385    22376       -9     
============================================
- Hits          11850    11839      -11     
- Misses        10535    10537       +2     

Impacted Files	Coverage Δ	Complexity Δ
classes/phing/types/PatternSet.php	54.47% <100.00%> (-2.87%)	65.00 <3.00> (-2.00)
classes/phing/tasks/ext/UnzipTask.php	77.27% <0.00%> (-4.55%)	5.00% <0.00%> (ø%)
classes/phing/tasks/ext/HttpTask.php	88.88% <0.00%> (-2.23%)	19.00% <0.00%> (ø%)

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