[chore] comments and function scope

- methods no longer exported if not used
- readme update
- comments updated

bolt.go

@@ -26,7 +26,7 @@ const (
 // basic bot structure containing discordgo connection as well as the command map
 type bolt struct {
 	*dg.Session                    //holds discordgo internals
-	Commands    map[string]Command //maps trigger phrase to command struct for fast lookup
+	commands    map[string]Command //maps trigger phrase to command struct for fast lookup
 	indicator   string             //the indicator used to detect whether a message is a command
 }
 
@@ -62,7 +62,7 @@ func New(opts ...Option) Bolt {
 
 	b := &bolt{
 		Session:  bot,
-		Commands: make(map[string]Command, 0),
+		commands: make(map[string]Command, 0),
 	}
 	//set default command indicator
 	b.indicator = "."
@@ -106,7 +106,7 @@ func (b *bolt) stop() error {
 // adds commands to bot command map for use
 func (b *bolt) AddCommands(cmd ...Command) {
 	for _, c := range cmd {
-		b.Commands[c.Trigger] = c
+		b.commands[c.Trigger] = c
 	}
 }
 
@@ -152,7 +152,7 @@ func (b *bolt) messageHandler(s *dg.Session, msg *dg.MessageCreate) {
 // parses command from message and handles timeout checks, role checks, and command execution. All command responses are sent back to Discord
 func (b *bolt) handleCommand(msg *dg.MessageCreate, s *dg.Session, server *dg.Guild, channel *dg.Channel, lg int) error {
 	words := strings.Split(msg.Content, " ")
-	run, ok := b.Commands[words[0][lg:]]
+	run, ok := b.commands[words[0][lg:]]
 	if !ok {
 		return nil //command doesn't exist, maybe log or respond to author
 	}
@@ -201,7 +201,7 @@ func (b *bolt) handleCommand(msg *dg.MessageCreate, s *dg.Session, server *dg.Gu
 
 	//update run time
 	run.lastRun = time.Now()
-	b.Commands[run.Trigger] = run
+	b.commands[run.Trigger] = run
 	return nil
 }