NOTE: This patch might affect xml_cdr, so better check if the output is to your liking after this commit

Please Windows user test this one out.

I've fix some memory leak in your patch.  Be careful to free the value from the find output of a hash after you used it.

FS-3758 --resolve ok so I wrote my own patch but i did borrow the 2 lines of code to create a seq from the original patch! sofia changes probably need to be converted to a tag if they are to go upstream.  This completely manages sub/pub from inside mod_sofia inside the db and subs can now persist and/or fail over mid dialog tested on several things like polycom/snom/yealink on SLA and presence

Please Test !