dev folder

- updated todo
- new db schema
- separate files
Base API

- fix handling of verbose argument + support for more args
- switch to synchronous loading of credentials
- default callback prints flat serialised JSON
- printing POST data in verbose mode
- empty object as default set of credentials for generic API
MtGox API

- fix the raw argument
- added the currency method
- more comprehensive test
Bitmarket API (initial)
Intersango API (initial)