Improve fail reasons, fix api crashes

- Add options about TLS verification
- Fix crashes when cachet presents IDs as a string
- Improve fail reasons

cachet/component.go

@@ -1,15 +1,17 @@
 package cachet
 
+import "encoding/json"
+
 // Component Cachet model
 type Component struct {
-	ID            int    `json:"id"`
-	Name          string `json:"name"`
-	Description   string `json:"description"`
-	Status        int    `json:"status_id"`
-	HumanStatus   string `json:"-"`
-	IncidentCount int    `json:"-"`
-	CreatedAt     int    `json:"created_at"`
-	UpdatedAt     int    `json:"updated_at"`
+	ID            json.Number `json:"id"`
+	Name          string      `json:"name"`
+	Description   string      `json:"description"`
+	Status        json.Number `json:"status_id"`
+	HumanStatus   string      `json:"-"`
+	IncidentCount int         `json:"-"`
+	CreatedAt     *string     `json:"created_at"`
+	UpdatedAt     *string     `json:"updated_at"`
 }
 
 // ComponentData json response model