Add missing fiona.fio package.
Add cat and collect commands.

Also, load now takes JSON sequences.
Update CLI docs.

Also make RS the first choice for text separator. It can be
detected and makes everything simpler.
Merge pull request #150 from Toblerity/fio-cat

Fio cat
Dict comps not available in Python 2.6.

Closes #148.
Normalize CRS to EPSG codes when possible.

Also accept 'epsg:dddd' in w-mode open().

Closes #149.
Remove CRS from testing GeoJSON.
Merge pull request #152 from Toblerity/issue149

Normalize CRS to EPSG codes when possible.
Update change log.
merge upstream; fix fio conflicts; remove eol spaces