Better error messages and Zend/PHP extension mismatch detection
Use of zend_error() instead of stderr
Typos
tidy up zend_extensions.c so that the logic makes good sense and the output is sane
doh !
while we are at it ... ??
couple of DL macros
more tidy
tidy up
Merge branch 'extensions_improvements' of https://github.com/jpauli/php-src into extensions_improvements

Conflicts:
	Zend/zend_API.c
	Zend/zend_extensions.c
	ext/standard/dl.c
...
...
CS