Country Club Membership

setPrice owner sets the price for the memberships

parameter name	type	details
_goldcost	uint	cost of a gold membership
_silvercost	uint	cost of a silver membership
_standardcost	uint	cost of a standard membership

getMembership function for a person to buy a membership

parameter name	type	details
_name	string	name of the member
_membership	string	membership chosen

checkMembership checks if a membership is due

parameter name	type	details
_name	string	name of the member

renewMembership enables the member to rewnew his membership

withdraw withdraw function for the owner of the contract

PriceSet listens when the price was set

NewMembership listen when a membership was purchased

Renewal listens when a member renews his membership