bump version
add example of custom filename #4
example of installing dependencies
document installing dependencies for tests
fix foobared changelog entry
document that --help is avail for subcommands
put help in correct place and fixup cram tests
move the chunk-size to the bloscpack group
cleanup the README a little

Use long subcommands and options and rephrase some sentences.
add some more badges

https://pypip.in/license.html
a blosc badge... srsly
fixup the link
fix compression ratio in benchmark and README
Merge branch 'forwradport-0.5.1'

* forwradport-0.5.1:
  fix compression ratio in benchmark and README
  fixup the link
  a blosc badge... srsly
  add some more badges
  cleanup the README a little
  move the chunk-size to the bloscpack group
  put help in correct place and fixup cram tests
  document that --help is avail for subcommands
  fix foobared changelog entry
  document installing dependencies for tests
  example of installing dependencies
  add example of custom filename #4
  bump version