Fix #131, tidy up lexer code
Fix #131, tidy up lexer code

mkfifo/ponyc,pap/ponyc,Praetonus/ponyc,Perelandric/ponyc,kulibali/ponyc,cquinn/ponyc,jupvfranco/ponyc,CausalityLtd/ponyc,ryanai3/ponyc,kulibali/ponyc,jupvfranco/ponyc,ryanai3/ponyc,boemmels/ponyc,jemc/ponyc,sgebbie/ponyc,Theodus/ponyc,cquinn/ponyc,dckc/ponyc,doublec/ponyc,ryanai3/ponyc,shlomif/ponyc,mkfifo/ponyc,jupvfranco/ponyc,influx6/ponyc,Perelandric/ponyc,gwelr/ponyc,malthe/ponyc,jonas-l/ponyc,dckc/ponyc,boemmels/ponyc,cquinn/ponyc,sgebbie/ponyc,boemmels/ponyc,boemmels/ponyc,CausalityLtd/ponyc,doublec/ponyc,mkfifo/ponyc,Praetonus/ponyc,jemc/ponyc,mkfifo/ponyc,darach/ponyc,ponylang/ponyc,dipinhora/ponyc,lukecheeseman/ponyta,sgebbie/ponyc,dipinhora/ponyc,mkfifo/ponyc,ponylang/ponyc,jupvfranco/ponyc,Perelandric/ponyc,boemmels/ponyc,shlomif/ponyc,malthe/ponyc,jupvfranco/ponyc,Theodus/ponyc,malthe/ponyc,jonas-l/ponyc,pap/ponyc,dipinhora/ponyc,Theodus/ponyc,Theodus/ponyc,kulibali/ponyc,Perelandric/ponyc,darach/ponyc,Praetonus/ponyc,jonas-l/ponyc,Praetonus/ponyc,lukecheeseman/ponyta,kulibali/ponyc,cquinn/ponyc,darach/ponyc,gwelr/ponyc,jemc/ponyc,sgebbie/ponyc,influx6/ponyc,malthe/ponyc,ponylang/ponyc,Theodus/ponyc,sgebbie/ponyc,CausalityLtd/ponyc,pap/ponyc,lukecheeseman/ponyta,Perelandric/ponyc,doublec/ponyc