Added test for #279
Added SplHeap* classes fix #281
Use SVG build image instead of png [ci skip]
Merge pull request #283 from nkt/fix_281

Added SplHeap* classes fix #281
Merge pull request #286 from nkt/fix_readme_build_image

Use SVG build image instead of png
Merge pull request #284 from nkt/fix_279

Added test for #279
Fixing extra TSRMLS_CC
Review -  preg_match 2 ifs to 1
Fix ConfigTest
PHP 5.3 fix code for preg_match_all call in testPregMatchAll