Add command line options for printing help (-h, --help)
Add command line options for printing help (-h, --help)

Having commands for outputting help text from the compiler
enables using help2man to generate a man page.

Theodus/ponyc,Perelandric/ponyc,jemc/ponyc,kulibali/ponyc,sgebbie/ponyc,jemc/ponyc,Perelandric/ponyc,cquinn/ponyc,mkfifo/ponyc,sgebbie/ponyc,mkfifo/ponyc,cquinn/ponyc,sgebbie/ponyc,Theodus/ponyc,boemmels/ponyc,mkfifo/ponyc,Perelandric/ponyc,dipinhora/ponyc,Theodus/ponyc,CausalityLtd/ponyc,kulibali/ponyc,boemmels/ponyc,Praetonus/ponyc,Theodus/ponyc,ponylang/ponyc,sgebbie/ponyc,CausalityLtd/ponyc,Praetonus/ponyc,Theodus/ponyc,ponylang/ponyc,boemmels/ponyc,mkfifo/ponyc,kulibali/ponyc,Perelandric/ponyc,cquinn/ponyc,boemmels/ponyc,Praetonus/ponyc,dipinhora/ponyc,ponylang/ponyc,dipinhora/ponyc,boemmels/ponyc,cquinn/ponyc,kulibali/ponyc,jemc/ponyc,sgebbie/ponyc,CausalityLtd/ponyc,mkfifo/ponyc,Perelandric/ponyc,Praetonus/ponyc