lots of small changes

tests/niminaction/Chapter3/ChatApp/src/protocol.nim

@@ -37,7 +37,7 @@ proc createMessage*(username, message: string): string =
     "message": %message
   }) & "\c\l"
 
-when isMainModule:
+when true:
   block:
     let data = """{"username": "dom", "message": "hello"}"""
     let parsed = parseMessage(data)

tests/niminaction/Chapter3/ChatApp/src/server.nim

@@ -79,7 +79,7 @@ proc loop(server: Server, port = 7687) {.async.} =
 
 # Check whether this module has been imported as a dependency to another
 # module, or whether this module is the main module.
-when isMainModule:
+when true:
   # Initialise a new server.
   var server = newServer()
   echo("Server initialised!")