readme: parseable input can be created form any Readable
readme: package bpsm.edn is now us.bpsm.edn
readme: the include instant parsers were folded into us.bpsm.edn.parser
Fix obsolete package names in text of README.md

Merge branch 'readme-fixes' into master

* readme-fixes:
  readme: the include instant parsers were folded into us.bpsm.edn.parser
  readme: package bpsm.edn is now us.bpsm.edn
  readme: parseable input can be created form any Readable