mainly keyword compatibility

- support any word as column name (eg. 'when')
- big readable error message when a query fails
fix deserialization of arrays
renamed package to be able to publish it to npm
Merge branch 'nherment/support_keywords_as_column_names' of github.com:nherment/seneca-postgresql-store into nherment-nherment/support_keywords_as_column_names

Conflicts:
	package.json