Merge pull request #70 from zaets28rus/some_fixes

Some fixes
#71 Support dynamic ENV constants like PHP_VERSION
add name to config.json and some fixs
#71 Create code for next support of magic constants
#71 Support new magic constant __CLASS__
#71 Support new magic constant __METHOD__
#71 Support new magic constant __NAMESPACE__
#71 Support new magic constant __FUNCTION__ and fix __METHOD__
Merge pull request #73 from marciopaiva/master

add name to config.json and some fixs
Constants write code for support expectingVariable [Failed]
Fix ZEPHIR_GET_CONSTANT macros [thx sjinks for help]
Merge pull request #72 from zaets28rus/constants

#71 Support dynamic ENV constants like PHP_VERSION and Magic __CLASS__, __METHOD__, __NAMESPACE__, __FUNCTION__
Adding optimizer for file_put_contents [ci skip]
Added PregMatchOptimizer. Use PHP internal PCRE implements not userland function call.

Signed-off-by: Rack Lin <racklin@gmail.com>
Merge pull request #76 from racklin/enhancement/preg_match2

Added PregMatchOptimizer.
Added VarDumpOptimizer / VarExportOptimizer . [ci skip]

Signed-off-by: Rack Lin <racklin@gmail.com>
Merge pull request #77 from racklin/enhancement/var_export

Added VarDumpOptimizer / VarExportOptimizer . [ci skip]
Update README.md
Defaults for string variables, better installation message [ci skip]
Merge branch 'master' of https://github.com/phalcon/zephir