eSlip™ Invoicing Distributor API
API Commands: /update_channel /login_user /change_status /create_account /update_plan /list_accounts
/list_accounts (GET)
channel*
password*
plan_id If not specified, does not apply this filter.
created_before Returns 25 records created before this Linux epoch time.
html_table Check to return an HTML table instead of JSON.
If success: 
		{
		"next": "https:\/\/app.eslip.com\/list_accounts?channel=test1&password=123&plan_id=&created_before=1342390999787", 
		"results": [
		  {
		    "company_id": "111", 
		    "created": "Mon, 16-Jul-2012 15:37:38 GMT", 
		    "email": "c@g3.db", 
		    "epoch": 1342453058356, 
		    "name": "choué&75ûñ", 
		    "paid_until": "2012-07-09", 
		    "plan_id": "enterprise", 
		    "status": "active", 
		    "subdomain": "chou"
		  }, 
		  ...
		], 
		"success": true
	      }
If failure: { "message": "Channel does not exist, or password is incorrect.", "success": false }