Update CONTRIBUTING.md
New compile script
Added remaining env. vars to compile.sh
Fixed mac 32-bit compilation
Updated PHP version to 5.5.10
Updated helper scripts PHP version to 5.5.10
Fixed issues with zlib
Fixed levels not being read properly
Added arch-specific compile optimizations
Added arm flags
Added iOS flags
Removed iOS -arch
Added Phar extension to PHP
Added correct toolchain for iOS
Added php.ini Phar directives
typo fix
Added sed -i ".backup"
Added -lresolv
Added PHP_VAR_NAME to crosscompile
Disabled phar cmdtools generation on crosscompile