Add toString to models

src/main/kotlin/org/koitharu/kotatsu/parsers/model/Manga.kt

@@ -155,4 +155,8 @@ class Manga(
 		result = 31 * result + source.hashCode()
 		return result
 	}
-}
+
+	override fun toString(): String {
+		return "Manga($id - \"$title\" [$url] - $source)"
+	}
+}

src/main/kotlin/org/koitharu/kotatsu/parsers/model/MangaChapter.kt

@@ -67,4 +67,8 @@ class MangaChapter(
 		result = 31 * result + source.hashCode()
 		return result
 	}
-}
+
+	override fun toString(): String {
+		return "MangaChapter($id - #$number [$url] - $source)"
+	}
+}

src/main/kotlin/org/koitharu/kotatsu/parsers/model/MangaPage.kt

@@ -3,49 +3,45 @@ package org.koitharu.kotatsu.parsers.model
 import org.koitharu.kotatsu.parsers.MangaParser
 
 class MangaPage(
-    /**
-     * Unique identifier for manga
-     */
-    val id: Long,
-    /**
-     * Relative url to page (**without** a domain) or any other uri.
-     * Used principally in parsers.
-     * May contain link to image or html page.
-     * @see MangaParser.getPageUrl
-     */
-    val url: String,
-    /**
-     * Absolute link to the chapter or website home page.
-     * Used in Referer header
-     */
-    @Deprecated("Referer header should be added based on source domain")
-    val referer: String,
-    /**
-     * Absolute url of the small page image if exists, null otherwise
-     */
-    val preview: String?,
-    val source: MangaSource,
+	/**
+	 * Unique identifier for manga
+	 */
+	val id: Long,
+	/**
+	 * Relative url to page (**without** a domain) or any other uri.
+	 * Used principally in parsers.
+	 * May contain link to image or html page.
+	 * @see MangaParser.getPageUrl
+	 */
+	val url: String,
+	/**
+	 * Absolute url of the small page image if exists, null otherwise
+	 */
+	val preview: String?,
+	val source: MangaSource,
 ) {
 
-    override fun equals(other: Any?): Boolean {
-        if (this === other) return true
-        if (javaClass != other?.javaClass) return false
+	override fun equals(other: Any?): Boolean {
+		if (this === other) return true
+		if (javaClass != other?.javaClass) return false
 
-        other as MangaPage
+		other as MangaPage
 
-        if (id != other.id) return false
-        if (url != other.url) return false
-        if (referer != other.referer) return false
-        if (preview != other.preview) return false
-        return source == other.source
-    }
+		if (id != other.id) return false
+		if (url != other.url) return false
+		if (preview != other.preview) return false
+		return source == other.source
+	}
 
-    override fun hashCode(): Int {
-        var result = id.hashCode()
-        result = 31 * result + url.hashCode()
-        result = 31 * result + referer.hashCode()
-        result = 31 * result + (preview?.hashCode() ?: 0)
-        result = 31 * result + source.hashCode()
-        return result
-    }
+	override fun hashCode(): Int {
+		var result = id.hashCode()
+		result = 31 * result + url.hashCode()
+		result = 31 * result + (preview?.hashCode() ?: 0)
+		result = 31 * result + source.hashCode()
+		return result
+	}
+
+	override fun toString(): String {
+		return "MangaPage($id [$url] - $source)"
+	}
 }

src/main/kotlin/org/koitharu/kotatsu/parsers/model/MangaTag.kt

@@ -34,4 +34,8 @@ class MangaTag(
 		result = 31 * result + source.hashCode()
 		return result
 	}
-}
+
+	override fun toString(): String {
+		return "MangaTag($key \"$title\" - $source)"
+	}
+}