db-container - The main database

	Commit message (Expand)	Author	Age
*	moved the db_actions to an own package and adjusted the functions so that the...	Emile	2019-02-13
*	updating the center of mass (finally) working now!	Emile	2019-02-11
*	implemented updating the center of mass of every node	Emile	2019-02-11
*	updated the function comments	Emile	2019-02-10
*	implemented the updateTotalMass function	Emile	2019-02-10
*	updated the error messages displayed when queries fail.	Emile	2019-02-09
*	new model, see the wiki for a description how this all works	Emile	2019-02-07
*	General actions for the database (inserting a star, deleting a star, creating...	Emile	2019-02-07