util  Check-in [2a975fabe3]

 *    running and i just want a new goddamn tab. it
 *    turns out, qutebrowser publishes an inane IPC
 *    mechanism, in which JSON (i know!!) written to a
 *    unix domain socket (I KNOW) can send signals to
 *    a running qutebrowser process. newtab checks if
 *    there's a running qutebrowser process and sends
 *    the appropriate IPC signal if so. otherwise, it
 *    execs a new qutebrowser instance.

 *
 *    it takes a single argument, the URI of a page to
 *    navigate to. if launched without an argument,
 *    newtab simply opens a blank new tab. simple
 *    enough, right? but why write it in C? to talk to
 *    a goddammned python application, of all things?
 *    well, i was originally going to do this in a

 *    running and i just want a new goddamn tab. it
 *    turns out, qutebrowser publishes an inane IPC
 *    mechanism, in which JSON (i know!!) written to a
 *    unix domain socket (I KNOW) can send signals to
 *    a running qutebrowser process. newtab checks if
 *    there's a running qutebrowser process and sends
 *    the appropriate IPC signal if so. otherwise, it
 *    forks off a new qutebrowser instance and returns
 *    an exit status of 1.
 *
 *    it takes a single argument, the URI of a page to
 *    navigate to. if launched without an argument,
 *    newtab simply opens a blank new tab. simple
 *    enough, right? but why write it in C? to talk to
 *    a goddammned python application, of all things?
 *    well, i was originally going to do this in a