updated logging, added theming, added settings button

cache.go

@@ -2,7 +2,6 @@ package main
 
 import (
 	"fmt"
-	"log"
 	"sync"
 	"time"
 
@@ -143,7 +142,7 @@ func (rc *ResultsCache) checkAndCleanCache() {
 func (rc *ResultsCache) memoryUsage() float64 {
 	v, err := mem.VirtualMemory()
 	if err != nil {
-		log.Printf("Failed to get memory info: %v", err)
+		printErr("Failed to get memory info: %v", err)
 		return 0
 	}
 
@@ -167,7 +166,7 @@ func (rc *ResultsCache) cleanOldestItems() {
 
 		if oldestKey != "" {
 			delete(rc.results, oldestKey)
-			log.Printf("Removed oldest cache item: %s", oldestKey)
+			printDebug("Removed oldest cache item: %s", oldestKey)
 		} else {
 			break
 		}