0.2.6
Don't use pkg-config to check for libev
use symbol list files for building
add aix module loading support
[module] rework module code to its own file with cleanup and docs
add set_flags() support to glib
add extern "C" to headers
fix libev's set_flags() implementation
add verto_set_flags()
Fix tevent autodetection symbol name.
Make verto_set_flags() a no-op if the flags are not changed.