Big sort out of AST description comment in ast.h
Big sort out of AST description comment in ast.h

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