Bugfix release for PHP 7.1+

• Fix #89 uopz_flags bugs on 64bit windows
• Fix #87 segfault when hook throws fatal error
• Fix #86 interface support for uopz_set_return
• Fix #85 cuf/cufa bugs
• Fix #76 uopz_extend changing linkage
• Fix #73 cuf/cufa bugs
• Fix #68 hang when using anon class as mock
• Fix #64 segfault after uopz_set_static
• Fix #63 class constant redefinition depends on opcache
• Fix #61 mocking not working with xdebug
• Fix #51 hooks and returns bug
• Fix #42 uopz_set_mock not working in some cases
• Fix PHP 7.3 compatibility

Bugfix release for PHP 7+

• add uopz.disable ini switch (default 0)
• fix bug #43: setting hook on __invoke method doesn't work on call_user_func
• fix bug #48: segmentation fault (uopz_set_return)
• add 4 new functions:
  • uopz_call_user_func(callable function, ... args)
  • uopz_get_exit_status()
  • uopz_allow_exit(bool allow)
  • uopz_call_user_func_array(callable function, array args)
• fix PHP 7.1 compatibility
• fix PHP 7.2 compatibility

This release is a confidence release ... also it fixes some bugs ...

• fix build on windows
• improve error message
• fix compat with master (7.1)
• prepare for pecl/remirepo glory

Enjoy :)

This marks PHP 7 compatibility, and hopefully stability.

API has changed, see README.md ...

Beware of dragons ...