* Make `_Z_InputQ->complete` a boolean, as that's all it's used as.
* Use GLib allocation functions for `Z_InputQ` members.
* Use a `GQueue` for zephyr input.
* Use `*_find_custom` functions for input queue search.
Testing Done:
Compile only.
Reviewed at https://reviews.imfreedom.org/r/253/
# SOME DESCRIPTIVE TITLE.
# Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
# This file is distributed under the same license as the PACKAGE package.