Log Message:
p5-XML-Parser: update to 2.46.

2.46 2019-09-24 (by Todd Rinaldo)
    - use foreach not for for loops
    - produce README.md so travis will show up on github
    - remove use vars and switch to our.
    - travis-ci testing from 5.8..5.28
    - Convert XML::Parser to use 3 arg opens with no barewords.
    - Migrate tracker to github
    - Switch to XSLoader
    - Fix a buffer overwrite in parse_stream()