use new pathogen, and import it as a bundle
recognize .rs as Rust
don't use -tt in python's shebang
cleanups in imports
updated plugins
added better syntax files for python
highlight python's print as a function
recognize did utf-8 encoding is set when set listchars

also use utf-8 codepoints instead of raw characters
do not use 0\d as octal digits with ctrl-a/ctrl-x