Added basic prompt for commands
Added basic framework for arrayBased class
Merged other branches in so code will compile with references to arrayBased and listBased classes
Added Requesting for operation information
Added logic to decide which implementation to move to
Added logic to go to correct function of the chosen operation
Added function calls to display function
Removed arguments for functions
Merged argument removals for class methods
Merge branch 'feature/mainInput'
Fixed problem of multiple City structs being defined
Fixed minor issues preventing compiling