Squashed commit of the following:

commit 0e9090a0181754dd2cf7730ec08835e00677a0de
Author: Josh Goebel <dreamer3@gmail.com>
Date:   Thu Sep 5 04:05:23 2013 -0400

    fixup docs and example

commit 436d7162a5268010f672e6db56998981d8dceab8
Author: Josh Goebel <dreamer3@gmail.com>
Date:   Thu Sep 5 03:57:03 2013 -0400

    search either pwd or template_search_path

commit a31e99017be26578757b04f6b6fa5728f4c7e6cc
Author: Josh Goebel <dreamer3@gmail.com>
Date:   Thu Sep 5 03:52:26 2013 -0400

    fixup render path searching for be much saner

commit be709c8eb631a285f303da4586f21172339d1394
Author: Josh Goebel <dreamer3@gmail.com>
Date:   Thu Sep 5 03:05:14 2013 -0400

    updated path expansion (koenpunt)
    Can't seem to get his commit for some weird reason for proper attribution:
    https://github.com/sprinkle-tool/sprinkle/commit/e7e038ed847a0bb2f5d79e7aa1752bd711f67ce4

commit 54d840e84ff9a4b6ebd0ff527e2514cb57b64f56
Author: Josh Goebel <dreamer3@gmail.com>
Date:   Fri Jul 5 13:17:00 2013 -0400

    fix

commit 917c35b02bdee198a0f206ffe5d904eff306dd55
Author: Josh Goebel <dreamer3@gmail.com>
Date:   Fri Jul 5 13:00:12 2013 -0400

    fix absolute paths maybe

commit 38101d61abd86f34f9c800a97ada7ece627908cb
Author: Josh Goebel <dreamer3@gmail.com>
Date:   Fri Jul 5 12:40:21 2013 -0400

    improve expand_filename considerably