docs: configure/Makefile changes to require at least Doxygen 1.5
Add completion for Bundler

Signed-off-by: David Celis <me@davidcel.is>
Put user paths at beginning
Update documentation for $fish_user_paths
Merge branch 'master' into ast
More work on the AST. block statements worked out a bit more.
If statements parse
Implement support for switch
Fix for extra token_end