Add some docs
Make Http fetcher pass opts upward
Create a proper Parser class
Make proper IOWrapper class, fix gzip bug
Switch to StringIO because it is file-like
Add eof?
Describe read behavior
Clarify read interface
Improve gzip
Make IOWrapper abstract
Make IOChain an IOWrapper
Defer initialization of Gzip
Add new requirement
Significantly improve perf of getline
Improve getline spec
Clarify the parser interface
Add feed
Remove unnescessary requires
Relocate helpers
Add feed builder