* Added Tooth and Teeth skeleton codes

* Added Teeth as an attribute to Person

* Added Tooth isPresent attribute, with getter method

* Added hasStatus getter method

* Modified and added constructors to initialise all attributes

* Added new Status class to represent Tooth status

* Added crucial attributes to Status class

* Added relevant getter methods to uphold OOP information hiding

* Implemented Status variable, and its getter and setter methods

* Assigned default values to Tooth attributes

* Added skeleton code for Tooth getter method

* Added relevant static teeth counts

* Minor fixes for readability

* Minor fixes

* Minor changes to code style

* Added ImportCommand to AddressBookParser.java

* Added ImportCommand.java

* Added ImportCommandParser.java

* Added parseFile() to ParserUtil.java

* Added ImportCommand to parseCommand() of AddressBookParser.java

* Updated regex for parseFile() in ParserUtil.java

* Updated comments for ImportCommandParser.java

* Updated parseFile() for file validation in ParserUtil.java

* Updated ImportCommandParser.java

* Added data folder filepath to concat with input file in ParserUtil.java

* Added readFile() to ImportCommand.java

* Added ExportCommand.java

* Removed unused import statements from ImportCommand.java

* Added ExportCommand to parseCommand() of AddressBookParser.java

* Updated code for ExportCommand.java

* Added ExportCommandParser.java

* Added parseFile() to ParserUtil.java

* Changed command word to 'export' in ExportCommand.java

* Updated ParserUtil.java to work with ExportCommand

* Updated ExportCommandParser.java to receive exception message from ParserUtil.java

* Updated ExportCommand.java

* Updated ParserUtil.java to work with ExportCommand.java

* Updated ImportCommandParser.java to receive exception message from ParserUtil.java

* Updated readFile() to be private in ImportCommand.java

* Updated ImportCommandParser.java to handle import validation

* Added comments to ImportCommand.java

* Updated writeFile() to be private in ExportCommand.java

* Updated writeFile() to be private in ExportCommand.java

* Created empty attribute classes for Date,Time,Description, Procedure, and Record

* Impletemented code for the attribute classes Description & Procedure

* Minor code comment fix

* Implemented code for attribute classes Date & Time

* Implemented code for Record class

* Updated code to match codeStyle

* Added import and export commands to UserGuide.adoc

* Removed unused imports in ExportCommand.java

* Renamed variable to match camelCase in ParserUtil.java

* Renamed variable to match camelCase in ParserUtil.java

* Fixed codestyle in ImportCommand.java

* Fixed codestyle in ImportCommand.java

* Fixed codestyle in ImportCommandParser.java

* Fixed codestyle in ExportCommandParser.java

* Fixed ImportCommand.java codestyle

* Fixed ExportCommand.java codestyle

* Add CopyCommand class

* Add CopyCommand class

* Add CopyTag class

* Add CopyTag class for copy information

* Modified Person class for temporary duplicates

* Modified EditCommand for removal of copy information

* Main logic for CopyCommand

* Command info for CopyCommand

* Add CopyCommandParser class

* Copy command can be called

* Cleared a bug by typo

* = Add methods to help check copies

* = Add Copy tag for copies

* = Add checkNoCopy method into Model interface

* = Add logger info for copy status

* = Change isSamePerson logic for loading saved data

* = Change error in INFO display

* = Style check change

* = Style check change

* = Style check change

* Added LoginWindow class and LoginWindow.fxml

* Removed unnecessary segments from skeleton of LoginWindow class

* Removed GUI portions for skeleton base of LoginWindow.fxml

* Added textbox to plain LoginWindow.fxml and created handleStringEntered function in LoginWindow class

* Added hide function to LoginWindow class

* Changed hide function to close function

* Fixed coding style

* Fixed Import Style, removed unused Imports in LoginWindow.fxml

* Created blank personal detail attribute classes (Age, DrugAllergy, Nric, Sex)

* Implemented personal detail attribute classes (Age, DrugAllergy, Nric, Sex)

* Minor checkstyle change

* Renamed photos

* Updated UserGuide.adoc

* Updated image file

* Testing UserGuide.adoc

* Test

* Test

* Minor update

* Test

* Rename Date & Time to DateCustom & TimeCustom so it doesn't interfere with the existing inbuilt Java classes

* Updated date & time occurances to DateCustom & TimeCustom

* Minor checkStyle changes

* Created empty command & parser classes for Sort and Stats

* updated badges on README

* Updated devGuide with all discussed userStories