Removed static references to the EconomyManager object
Added note to remove SQL from this class.
Added Timestamp to fields of ImmutableOffer. Updates to support.
Removed unreferenced non-immutable methods and completed making the
class immutable.
Used to manage the offer tables.
Updated to reflect changes with ImmutableOffer.
Renamed playerIdLookup to entityIdLookup to reflect the possibility of
finding a FinancialInstitution rather than a player.
Removed SQL code from loanViewOffersCommand method.
Added deprecation to the now slow name lookups.
Eliminated name lookup errors.
Removed unused imports
Fixed easy errors --- static reference changes, parseLoanArguments
signature, lookup FinancialEntities by UUID when it is available.