Store command history in Readline example
Store command history in Readline example

Having a fixed command set isn't particularly realistic.
Modified the readline example to record commands entered
so they can be part of command history for completion.

cquinn/ponyc,mkfifo/ponyc,lukecheeseman/ponyta,Perelandric/ponyc,kulibali/ponyc,sgebbie/ponyc,boemmels/ponyc,dipinhora/ponyc,mkfifo/ponyc,ryanai3/ponyc,Praetonus/ponyc,doublec/ponyc,jemc/ponyc,CausalityLtd/ponyc,mkfifo/ponyc,boemmels/ponyc,mkfifo/ponyc,jupvfranco/ponyc,Praetonus/ponyc,sgebbie/ponyc,Theodus/ponyc,lukecheeseman/ponyta,malthe/ponyc,ponylang/ponyc,Perelandric/ponyc,sgebbie/ponyc,jemc/ponyc,jupvfranco/ponyc,ryanai3/ponyc,Theodus/ponyc,Perelandric/ponyc,Perelandric/ponyc,jemc/ponyc,dipinhora/ponyc,jupvfranco/ponyc,dipinhora/ponyc,boemmels/ponyc,cquinn/ponyc,jupvfranco/ponyc,Theodus/ponyc,CausalityLtd/ponyc,Praetonus/ponyc,Theodus/ponyc,kulibali/ponyc,doublec/ponyc,sgebbie/ponyc,Theodus/ponyc,ryanai3/ponyc,jupvfranco/ponyc,ponylang/ponyc,lukecheeseman/ponyta,boemmels/ponyc,malthe/ponyc,kulibali/ponyc,malthe/ponyc,cquinn/ponyc,doublec/ponyc,kulibali/ponyc,sgebbie/ponyc,Perelandric/ponyc,CausalityLtd/ponyc,malthe/ponyc,ponylang/ponyc,boemmels/ponyc,Praetonus/ponyc,cquinn/ponyc,mkfifo/ponyc