Update README.md according to API

API implementation progress:
	- api-nodejs: stable basic - 0.1
	- api-php: PLANED
	- api-ruby: PLANED

API progress:
	/install - done
	/user/auth - done
	/user/add - not planed yet
	/user/del - not planed yet
	/transactions/add - done
	/transactions/del - done
	/transactions/get - done
	/transactions/edit - not planed yet