pvr: add options and support for anime (#17)

* pvr: begin adding options

* pvr: add ability to configure add behaviour via config

* pvr: add skip_anime

* pvr: do not continue processing item if lookup failed or add to pvr failed

util/default.go

@@ -20,3 +20,18 @@ func Atof64(val string, defaultVal float64) float64 {
 	}
 	return n
 }
+
+func StringOrDefault(val string, defaultVal string) string {
+	if val == "" {
+		return defaultVal
+	}
+	return val
+}
+
+func BoolOrDefault(val *bool, defaultVal bool) bool {
+	if val == nil {
+		return defaultVal
+	}
+
+	return *val
+}