[MODIF] Pass final parameters to Record ctor.
[MODIF] Added ctor for Money.
[ADD] Added basic implementation of Entry class.
[ADD] Implemented getters and setters method for Entry's fields.
[ADD] Implemented Database::getEntry() method.
[MODIF] Added method to get current date and time from Calendar
instance.
[ADD] Added unit test for reading Entries from database.
[ADD] Overrided equals() and hashCode() methods for Entry class.
[STYLE] Renamed table name field.
[ADD] Implemented store() method for Entry class.
[STYLE] Newline added.
[STYLE] Removed unused imports, fixed warnings.
[ADD] Added entry XML.