Minor bugfixes and improvments.

v0.0.8

Minor improvements in handling of paths containing spaces

Better error reporting for malformed RST files.

v0.0.7

better error reporting

minor bug fixes and documentation improvements

v0.0.6

bugfix for paths containing spaces

drop py35 support, remove deprecated api calls

v0.0.5

drop support for py35, remove deprecated aiohttp api calls