fixed condition where blank lcp would create never ending strings

main.go

@@ -294,9 +294,11 @@ func handleTab() error {
         // now call get the list of all possible cantidates that have that as a prefix
         resultSlice := generateTabCompletionSlice(s)
         lcp := longestCommonPrefix(resultSlice)
+        if lcp != "" {
             remainder := stringRemainder(s, lcp)
             writeToView("Input", remainder)
         }
+    }
     return nil
 }