Update README.md

correct spelling of "exert"
Merge pull request #106 from EagleEyeJohn/patch-1

Update README.md
Return FALSE on bit shift by negative number
Fixed 64-bit tests
Fixed 32-bit test
Prevent bit shift count wrapping quirkiness on some CPUs for right shift
Updated >> 64-bit tests
Cast NaN and Infinity to zero
Prevent bit shift count wrapping quirkiness on some CPUs for left shift
Updated << 64-bit tests
Updated 32-bit << test
Use zend_ polyfilled nan/finite, check finite
Error on multiple default blocks in a switch

Part of RFC: https://wiki.php.net/rfc/switch.default.multiple
basic datatype fixes for ext/oci8
first shot on fixing ext/oci8
second big shot on porting ext/oci8

still a lot to do, but most raw things done
replace zend_hash_find with zend_hash_str_find which fixes leaking the key
make LTP version check a blacklist
Merge branch 'PHP-5.5' into PHP-5.6

* PHP-5.5:
  make LTP version check a blacklist
Merge branch 'PHP-5.6'

* PHP-5.6:
  make LTP version check a blacklist