- resources may have an additional type specifier in prototypes
- the 'alloc' attribute specifies whether to emalloc/efree
the resource payload in generated code or not
Example code generation for function return types
Small docbook generation fixes in function documentation
added "role" attribute to support "internal" functions like
MINIT and stuff, "private" C functions not to be published as
PHP functions and "public" implemenations of PHP functions