minor string fixes

modules/http/http.lua

@@ -721,7 +721,7 @@ function http.json_parser()
 end
 
 function http.logger(format)
-	format = format or ":method :path :status :response-time ms"
+	format = format or "${method} ${path} ${status} ${response-time} ms"
 
 	return function(req, res, next)
 		local start_time = os.clock()

modules/http/pool.go

@@ -96,7 +96,7 @@ func NewWorkerPool(size int, masterState *luajit.State, stateCreator StateCreato
 		workerCount:  size,
 	}
 
-	for i := 0; i < size; i++ {
+	for i := range size {
 		worker, err := pool.createWorker(i)
 		if err != nil {
 			pool.Close()

modules/string+/string.lua

@@ -642,7 +642,7 @@ function string.template(template_str, vars)
 	if type(template_str) ~= "string" then error("string.template: first argument must be a string", 2) end
 	if type(vars) ~= "table" then error("string.template: second argument must be a table", 2) end
 
-	return template_str:gsub("%${([%w_%.]+)}", function(path)
+	return template_str:gsub("%${([%w_%.-]+)}", function(path)
 		local value = vars
 
 		-- Handle simple variables (no dots)