* Change some functions to use `ZSubscription_t`
* Cleanup redundant `zephyr_triple` allocations
* Inline `zephyr_subscribe_failed`
* Replace `find_sub_by_sub` and `find_sub_by_id` with `g_slist_find_custom`
* Rename functions related to `zephyr_triple`
purple_debug_error("zephyr","unable to resolve hostname, %%canon%% will be wrong in subscriptions.and has been set to the value of %%host%%, %s\n",zephyr->ourhost);