Added missing Visibility field on CurrentWeatherData struct and chang…

…ed the URL to HTTPS (#100)

current.go

@@ -29,6 +29,7 @@ type CurrentWeatherData struct {
 	Base     string      `json:"base"`
 	Weather  []Weather   `json:"weather"`
 	Main     Main        `json:"main"`
+	Visibility int       `json:"visibility"`
 	Wind     Wind        `json:"wind"`
 	Clouds   Clouds      `json:"clouds"`
 	Rain     Rain        `json:"rain"`

openweathermap.go

@@ -29,15 +29,15 @@ var errForecastUnavailable = errors.New("forecast unavailable")
 // DataUnits represents the character chosen to represent the temperature notation
 var DataUnits = map[string]string{"C": "metric", "F": "imperial", "K": "internal"}
 var (
-	baseURL        = "http://api.openweathermap.org/data/2.5/weather?%s"
-	iconURL        = "http://openweathermap.org/img/w/%s"
-	stationURL     = "http://api.openweathermap.org/data/2.5/station?id=%d"
-	forecast5Base  = "http://api.openweathermap.org/data/2.5/forecast?appid=%s&%s&mode=json&units=%s&lang=%s&cnt=%d"
-	forecast16Base = "http://api.openweathermap.org/data/2.5/forecast/daily?appid=%s&%s&mode=json&units=%s&lang=%s&cnt=%d"
-	historyURL     = "http://api.openweathermap.org/data/2.5/history/%s"
-	pollutionURL   = "http://api.openweathermap.org/pollution/v1/co/"
-	uvURL          = "http://api.openweathermap.org/data/2.5/"
-	dataPostURL    = "http://openweathermap.org/data/post"
+	baseURL        = "https://api.openweathermap.org/data/2.5/weather?%s"
+	iconURL        = "https://openweathermap.org/img/w/%s"
+	stationURL     = "https://api.openweathermap.org/data/2.5/station?id=%d"
+	forecast5Base  = "https://api.openweathermap.org/data/2.5/forecast?appid=%s&%s&mode=json&units=%s&lang=%s&cnt=%d"
+	forecast16Base = "https://api.openweathermap.org/data/2.5/forecast/daily?appid=%s&%s&mode=json&units=%s&lang=%s&cnt=%d"
+	historyURL     = "https://api.openweathermap.org/data/2.5/history/%s"
+	pollutionURL   = "https://api.openweathermap.org/pollution/v1/co/"
+	uvURL          = "https://api.openweathermap.org/data/2.5/"
+	dataPostURL    = "https://openweathermap.org/data/post"
 )
 
 // LangCodes holds all supported languages to be used