Fixed unresolved externals

Windows cannot compile correctly without them ;)
Fixed typo
Merge pull request #73 from siad007/patch-2

Fixed typo. Thx siad007
Add forgotten .h to setup php ini directrive
Merge pull request #85 from rezzza/fix/php-ini-directives

Add forgotten .h to setup php ini directrive
Merge pull request #72 from siad007/patch-1

Fixed unresolved externals
Free pre allocated datas
Key always NULL
For 5.4 Compilation
allocate to_return if not allocated
Add 5.5 for travis
CC if not first parameter
Hack for fluent, to be debug