add continous function execution and table get

src/enviroment.rs

@@ -10,7 +10,7 @@ fn get_string_from_vmmem(mem: VMMemory) -> String {
         VMMemory::Boolean(b) => out.push_str(if b.value { "true" } else { "false" }),
         VMMemory::Null(_) => out.push_str("null"),
         VMMemory::Table(tbl) => {
-            out.push_str("{ ");
+            out.push_str("{");
                 for val in &tbl.values {
                 out.push_str(&get_string_from_vmmem(val.key.clone()));
                 out.push_str("=");