diff --git a/assets/docker/Dockerfile b/assets/docker/Dockerfile
index 1f6c1ba..a7a80cd 100644
--- a/assets/docker/Dockerfile
+++ b/assets/docker/Dockerfile
@@ -1,5 +1,5 @@
 FROM nikatjef/golang:1.20 as builder
-ARG SEMVER=${SEMVER:-0.0.7}
+ARG SEMVER=${SEMVER:-0.0.8}
 
 WORKDIR /gagent
 COPY . .
diff --git a/cmd/gagent/main.go b/cmd/gagent/main.go
index b8a584d..5516a3a 100644
--- a/cmd/gagent/main.go
+++ b/cmd/gagent/main.go
@@ -56,7 +56,7 @@ var environment struct {
  * This is the application version number. It can be overridden at build time
  * using the -ldflags "-X main.semVER=0.0.1" option.
  */
-var semVER = "0.0.6"
+var semVER = "0.0.8"
 
 /*
  * This is the application configuration. It is populated from the configuration
@@ -290,7 +290,7 @@ func init() {
 	if config.MonitorPort != 0 {
 		go func() {
 			log.Printf("[INFO] Starting Prometheus metrics exporter on port %d\n", config.MonitorPort)
-			log.Fatal(http.ListenAndServe(string(config.ListenAddr)+strconv.FormatInt(config.MonitorPort, 10), nil))
+			log.Fatal(http.ListenAndServe(string(config.ListenAddr)+strconv.Itoa(config.MonitorPort), nil))
 		}()
 	}
 }
diff --git a/internal/gstructs/gstructs.go b/internal/gstructs/gstructs.go
index 4f6a066..5db81d9 100644
--- a/internal/gstructs/gstructs.go
+++ b/internal/gstructs/gstructs.go
@@ -8,11 +8,11 @@ type GagentConfig struct {
 	Mode        string           `hcl:"mode,attr"`
 	UUID        string           `hcl:"uuid,optional"`
 	ListenAddr  string           `hcl:"listenaddr,optional"`
-	MonitorPort int64            `hcl:"monitorport,optional"`
-	ClientPort  int64            `hcl:"clientport,optional"`
-	RouterPort  int64            `hcl:"routerport,optional"`
-	WorkerPort  int64            `hcl:"workerport,optional"`
 	ChainDBPath string           `hcl:"chaindbpath,optional"`
+	MonitorPort int              `hcl:"monitorport,optional"`
+	ClientPort  int              `hcl:"clientport,optional"`
+	RouterPort  int              `hcl:"routerport,optional"`
+	WorkerPort  int              `hcl:"workerport,optional"`
 	Clients     []*ClientDetails `hcl:"client,block"`
 	Routers     []*RouterDetails `hcl:"router,block"`
 	Workers     []*WorkerDetails `hcl:"worker,block"`
@@ -62,27 +62,27 @@ type RouterDetails struct {
 	 */
 	RouterAddr string `hcl:"address,attr"`
 
-	/*
-	 * G'Agent client will use this port to communicate with the routers.
-	 */
-	ClientPort int64 `hcl:"clientport,optional"`
-
-	/*
-	 * G'Agent router will use this port to communicate with other routers.
-	 */
-	RouterPort int64 `hcl:"routerport,optional"`
-
-	/*
-	 * G'Agent worker will use this port to communicate with the routers.
-	 */
-	WorkerPort int64 `hcl:"workerport,optional"`
-
 	/*
 	 * These tags will be passed to the router upon connection. The router
 	 * will then use these tags to help determine which worker / client to
 	 * send the client's requests and results to.
 	 */
 	RouterTags []string `hcl:"tags,optional"`
+
+	/*
+	 * G'Agent client will use this port to communicate with the routers.
+	 */
+	ClientPort int `hcl:"clientport,optional"`
+
+	/*
+	 * G'Agent router will use this port to communicate with other routers.
+	 */
+	RouterPort int `hcl:"routerport,optional"`
+
+	/*
+	 * G'Agent worker will use this port to communicate with the routers.
+	 */
+	WorkerPort int `hcl:"workerport,optional"`
 }
 
 /*
@@ -111,8 +111,8 @@ type WorkerDetails struct {
 
 type AgentDetails struct {
 	Client     string `hcl:"client"`
-	Status     int64  `hcl:"status"`
 	Shasum     string `hcl:"shasum"`
+	Status     int    `hcl:"status"`
 	Hints      []string
 	ScriptCode []byte
 	Answer     []byte
diff --git a/internal/router/router.go b/internal/router/router.go
index 8f19480..dc91b3a 100644
--- a/internal/router/router.go
+++ b/internal/router/router.go
@@ -4,6 +4,7 @@ import (
 	fmt "fmt"
 	log "log"
 	http "net/http"
+	strconv "strconv"
 	sync "sync"
 
 	gcdb "github.com/dragonheim/gagent/internal/chaindb"
@@ -44,7 +45,7 @@ func Main(wg *sync.WaitGroup, config gstructs.GagentConfig) {
 
 	db.Init()
 
-	workerListener := fmt.Sprintf("tcp://%s:%d", config.ListenAddr, config.WorkerPort)
+	workerListener := "tcp://" + config.ListenAddr + ":" + strconv.Itoa(config.WorkerPort)
 	_ = workerSock.Bind(workerListener)
 
 	workers := make([]string, 0)
@@ -112,7 +113,7 @@ func createClientListener(wg *sync.WaitGroup, config gstructs.GagentConfig) {
 	clientSock, _ := zmq.NewSocket(zmq.ROUTER)
 	defer clientSock.Close()
 
-	clientListener := fmt.Sprintf("tcp://%s:%d", config.ListenAddr, config.ClientPort)
+	clientListener := "tcp://" + config.ListenAddr + ":" + strconv.Itoa(config.ClientPort)
 	log.Printf("[DEBUG] Binding to: %s", clientListener)
 	_ = clientSock.Bind(clientListener)
 
diff --git a/internal/setup/setup.go b/internal/setup/setup.go
index 4350dc1..4672501 100644
--- a/internal/setup/setup.go
+++ b/internal/setup/setup.go
@@ -24,9 +24,9 @@ func Main(wg *sync.WaitGroup, config gs.GagentConfig) {
 	rootBody.SetAttributeValue("mode", cty.StringVal(config.Mode))
 	rootBody.SetAttributeValue("uuid", cty.StringVal(config.UUID))
 	rootBody.SetAttributeValue("listenaddr", cty.StringVal("0.0.0.0"))
-	rootBody.SetAttributeValue("clientport", cty.NumberIntVal(config.ClientPort))
-	rootBody.SetAttributeValue("routerport", cty.NumberIntVal(config.RouterPort))
-	rootBody.SetAttributeValue("workerport", cty.NumberIntVal(config.WorkerPort))
+	rootBody.SetAttributeValue("clientport", cty.NumberIntVal(int64(config.ClientPort)))
+	rootBody.SetAttributeValue("routerport", cty.NumberIntVal(int64(config.RouterPort)))
+	rootBody.SetAttributeValue("workerport", cty.NumberIntVal(int64(config.WorkerPort)))
 	rootBody.AppendNewline()
 
 	clientBlock1 := rootBody.AppendNewBlock("client", []string{config.Name})
@@ -47,9 +47,9 @@ func Main(wg *sync.WaitGroup, config gs.GagentConfig) {
 	routerBody1 := routerBlock1.Body()
 	routerBody1.SetAttributeValue("routerid", cty.StringVal(config.UUID))
 	routerBody1.SetAttributeValue("address", cty.StringVal("127.0.0.1"))
-	routerBody1.SetAttributeValue("clientport", cty.NumberIntVal(config.ClientPort))
-	routerBody1.SetAttributeValue("routerport", cty.NumberIntVal(config.RouterPort))
-	routerBody1.SetAttributeValue("workerport", cty.NumberIntVal(config.WorkerPort))
+	routerBody1.SetAttributeValue("clientport", cty.NumberIntVal(int64(config.ClientPort)))
+	routerBody1.SetAttributeValue("routerport", cty.NumberIntVal(int64(config.RouterPort)))
+	routerBody1.SetAttributeValue("workerport", cty.NumberIntVal(int64(config.WorkerPort)))
 	rootBody.AppendNewline()
 
 	workerBlock1 := rootBody.AppendNewBlock("worker", []string{config.Name})
diff --git a/internal/worker/worker.go b/internal/worker/worker.go
index b13a53c..3ff1b7b 100644
--- a/internal/worker/worker.go
+++ b/internal/worker/worker.go
@@ -8,7 +8,7 @@ import (
 	gstructs "github.com/dragonheim/gagent/internal/gstructs"
 
 	/*
-	 * picol "github.com/dragonheim/gagent/src/picol"
+	 * picol "github.com/dragonheim/gagent/pkg/picol"
 	 */
 
 	prometheus "github.com/prometheus/client_golang/prometheus"
@@ -43,13 +43,13 @@ func Main(wg *sync.WaitGroup, config gstructs.GagentConfig) {
 		/*
 		 * Generate connect string for this router.
 		 */
-		connectString := "tcp://" + config.Routers[key].RouterAddr + ":" + strconv.FormatInt(rport, 10)
+		connectString := "tcp://" + config.Routers[key].RouterAddr + ":" + strconv.Itoa(rport)
 
 		wg.Add(1)
 		go getAgent(wg, config.UUID, connectString)
 	}
 	/*
-	 * workerListener := "tcp://" + config.ListenAddr + ":" + strconv.FormatInt(config.WorkerPort, 10)
+	 * workerListener := "tcp://" + config.ListenAddr + ":" + strconv.Itoa(config.WorkerPort)
 	 */
 
 }
diff --git a/pkg/picol/commands.go b/pkg/picol/commands.go
index 0729f96..a1b8d7a 100644
--- a/pkg/picol/commands.go
+++ b/pkg/picol/commands.go
@@ -1,6 +1,7 @@
 package picol
 
 import (
+	"errors"
 	"fmt"
 	"strconv"
 	"strings"
@@ -92,8 +93,8 @@ func CommandMath(i *Interpreter, argv []string, pd interface{}) (string, error)
 		if a != b {
 			c = 1
 		}
-	default: // FIXME I hate warnings
-		c = 0
+	default:
+		return "0", errors.New("invalid operator " + argv[0])
 	}
 	return fmt.Sprintf("%d", c), nil
 }
diff --git a/pkg/picol/parser.go b/pkg/picol/parser.go
index 65d9003..e2cbb8b 100644
--- a/pkg/picol/parser.go
+++ b/pkg/picol/parser.go
@@ -5,6 +5,7 @@ import (
 	"unicode/utf8"
 )
 
+// Define parser token types
 const (
 	ptESC = iota
 	ptSTR
@@ -15,6 +16,7 @@ const (
 	ptEOF
 )
 
+// parserStruct represents the parser state
 type parserStruct struct {
 	text              string
 	p, start, end, ln int
@@ -22,26 +24,31 @@ type parserStruct struct {
 	Type              int
 }
 
+// initParser initializes a new parserStruct instance
 func initParser(text string) *parserStruct {
-	return &parserStruct{text, 0, 0, 0, len(text), 0, ptEOL}
+	return &parserStruct{text: text, ln: len(text), Type: ptEOL}
 }
 
+// next advances the parser position by one rune
 func (p *parserStruct) next() {
 	_, w := utf8.DecodeRuneInString(p.text[p.p:])
 	p.p += w
 	p.ln -= w
 }
 
+// current returns the current rune at the parser position
 func (p *parserStruct) current() rune {
 	r, _ := utf8.DecodeRuneInString(p.text[p.p:])
 	return r
 }
 
+// token returns the current token text between start and end positions
 func (p *parserStruct) token() (t string) {
 	defer recover()
 	return p.text[p.start:p.end]
 }
 
+// parseSep parses whitespace separators
 func (p *parserStruct) parseSep() string {
 	p.start = p.p
 	for ; p.p < len(p.text); p.next() {
@@ -54,6 +61,7 @@ func (p *parserStruct) parseSep() string {
 	return p.token()
 }
 
+// parseEol parses end of line and comments
 func (p *parserStruct) parseEol() string {
 	p.start = p.p
 
@@ -70,6 +78,7 @@ func (p *parserStruct) parseEol() string {
 	return p.token()
 }
 
+// parseCommand parses a command within brackets
 func (p *parserStruct) parseCommand() string {
 	level, blevel := 1, 0
 	p.next() // skip
@@ -103,6 +112,7 @@ Loop:
 	return p.token()
 }
 
+// parseVar parses a variable reference
 func (p *parserStruct) parseVar() string {
 	p.next() // skip the $
 	p.start = p.p
@@ -132,6 +142,7 @@ func (p *parserStruct) parseVar() string {
 	return p.token()
 }
 
+// parseBrace parses a brace-enclosed string
 func (p *parserStruct) parseBrace() string {
 	level := 1
 	p.next() // skip
@@ -160,6 +171,7 @@ Loop:
 	return p.token()
 }
 
+// parseString parses a string with or without quotes
 func (p *parserStruct) parseString() string {
 	newword := p.Type == ptSEP || p.Type == ptEOL || p.Type == ptSTR
 
@@ -203,6 +215,7 @@ Loop:
 	return p.token()
 }
 
+// parseComment skips over comment text
 func (p *parserStruct) parseComment() string {
 	for p.ln != 0 && p.current() != '\n' {
 		p.next()
@@ -210,6 +223,7 @@ func (p *parserStruct) parseComment() string {
 	return p.token()
 }
 
+// GetToken returns the next token from the parser
 func (p *parserStruct) GetToken() string {
 	for {
 		if p.ln == 0 {
@@ -246,5 +260,4 @@ func (p *parserStruct) GetToken() string {
 			return p.parseString()
 		}
 	}
-	/*	return p.token() /* unreached */
 }
diff --git a/pkg/picol/picol_unused/main.go_unused b/pkg/picol/picol_unused/main.go_unused
index cc5fbbd..c1fb8fa 100644
--- a/pkg/picol/picol_unused/main.go_unused
+++ b/pkg/picol/picol_unused/main.go_unused
@@ -12,20 +12,10 @@ import (
 
 var fname = flag.String("f", "", "file name")
 
-// CommandPuts is a simple version of the TCL puts function.
-func CommandPuts(i *picol.Interpreter, argv []string, pd interface{}) (string, error) {
-	if len(argv) != 2 {
-		return "", fmt.Errorf("wrong number of args for %s %s", argv[0], argv)
-	}
-	fmt.Println(argv[1])
-	return "", nil
-}
-
 func main() {
 	flag.Parse()
 	interp := picol.NewInterpreter()
 	interp.RegisterCoreCommands()
-	interp.RegisterCommand("puts", CommandPuts, nil)
 
 	buf, err := ioutil.ReadFile(*fname)
 	if err == nil {