diff --git a/.gitignore b/.gitignore
index e38da20..19f395d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 settings.json
+pygettext.py
diff --git a/locale/pl/LC_MESSAGES/rcgcdw.mo b/locale/pl/LC_MESSAGES/rcgcdw.mo
new file mode 100644
index 0000000..9cd2b8a
Binary files /dev/null and b/locale/pl/LC_MESSAGES/rcgcdw.mo differ
diff --git a/locale/pl/LC_MESSAGES/rcgcdw.po b/locale/pl/LC_MESSAGES/rcgcdw.po
new file mode 100644
index 0000000..a3bb240
--- /dev/null
+++ b/locale/pl/LC_MESSAGES/rcgcdw.po
@@ -0,0 +1,250 @@
+# SOME DESCRIPTIVE TITLE.
+# Copyright (C) YEAR ORGANIZATION
+# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: RcGcDw\n"
+"POT-Creation-Date: 2018-06-16 13:32+0200\n"
+"PO-Revision-Date: 2018-06-16 13:58+0200\n"
+"Language-Team: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Generated-By: pygettext.py 1.5\n"
+"X-Generator: Poedit 2.0.8\n"
+"Last-Translator: Frisk <piotrex43@protonmail.ch>\n"
+"Plural-Forms: nplurals=3; plural=(n==1 ? 0 : n%10>=2 && n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);\n"
+"Language: pl\n"
+
+#: rcgcdw.py:88
+msgid "New file version {name}"
+msgstr "Nowa wersja pliku (name)"
+
+#: rcgcdw.py:89
+msgid "([preview]({link}) | [undo]({undolink}))"
+msgstr "([podgląd]({link}) | [wycofaj]({undolink}))"
+
+#: rcgcdw.py:89 rcgcdw.py:105
+msgid "Options"
+msgstr "Opcje"
+
+#: rcgcdw.py:91
+msgid "New file {name}"
+msgstr "Nowy plik {name}"
+
+#: rcgcdw.py:105
+msgid "([preview]({link}))"
+msgstr "([podgląd]({link})"
+
+#: rcgcdw.py:106
+msgid ""
+"{desc}\n"
+"License: {license}"
+msgstr ""
+"{desc}\n"
+"Licencja: {license}"
+
+#: rcgcdw.py:111
+msgid "Deleted {article}"
+msgstr "Usunięto {article}"
+
+#: rcgcdw.py:116
+msgid "Deleted redirect ({article}) to make space for moved page"
+msgstr "Usunięto przekierowanie ({article}) aby utworzyć miejsce dla przenoszonej strony"
+
+#: rcgcdw.py:120
+msgid "A redirect has been made"
+msgstr "Zostało utworzone przekierowanie"
+
+#: rcgcdw.py:120
+msgid "No redirect has been made"
+msgstr "Nie utworzono przekierowania"
+
+#: rcgcdw.py:121
+msgid "Moved \"{article}\" to \"{target}\""
+msgstr "Przeniesiono \"{article}\" do \"{target}\""
+
+#: rcgcdw.py:124
+msgid "Moved {article} to redirect page ({title})"
+msgstr "Przeniesiono {article} do przekierowania ({title})"
+
+#: rcgcdw.py:128
+msgid "Moved protection settings from {article} to {title}"
+msgstr "Przeniesiono ustawienia zabezpieczeń z {article} do {title}"
+
+#: rcgcdw.py:133
+msgid "infinity and beyond"
+msgstr "wieczność"
+
+#: rcgcdw.py:134
+msgid "Blocked {blocked_user} for {time}"
+msgstr "Zablokowano {blocked_user} na {time}"
+
+#: rcgcdw.py:140
+msgid "Reapplied the block on {blocked_user}"
+msgstr "Ponownie nałożono blokadę na {blocked_user}"
+
+#: rcgcdw.py:146
+msgid "Removed the block on {blocked_user}"
+msgstr "Usunięto blokadę na {blocked_user}"
+
+#: rcgcdw.py:151
+msgid "Left a comment on {target}'s profile"
+msgstr "Pozostawiono komentarz na profilu użytkownika {target}"
+
+#: rcgcdw.py:154
+msgid "Replied to a comment on {target}'s profile"
+msgstr "Odpowiedziano na komentarz na profilu użytkownika {target}"
+
+#: rcgcdw.py:157
+msgid "Edited a comment on {target}'s profile"
+msgstr "Edytowano komentarz na profilu użytkownika {target}"
+
+#: rcgcdw.py:161
+msgid "Location"
+msgstr "Lokacja"
+
+#: rcgcdw.py:163
+msgid "About me"
+msgstr "O mnie"
+
+#: rcgcdw.py:183
+msgid "Unknown"
+msgstr "Nieznana"
+
+#: rcgcdw.py:184
+msgid "Edited {target}'s profile"
+msgstr "Edytowano profil użytkownika {target}"
+
+#: rcgcdw.py:185
+msgid "{field} field changed to: {desc}"
+msgstr "pole {field} zostało zmienione na: {desc}"
+
+#: rcgcdw.py:188
+msgid "Removed a comment on {target}'s profile"
+msgstr "Usunięto komentarz na profilu użytkownika {target}"
+
+#: rcgcdw.py:191
+msgid "Changed {target}'s user groups"
+msgstr "Zmieniono grupy użytkownika {target}"
+
+#: rcgcdw.py:195 rcgcdw.py:197
+msgid "none"
+msgstr "brak"
+
+#: rcgcdw.py:198
+msgid "Groups changed from {old_groups} to {new_groups} with reason given: {desc}"
+msgstr "Grupy zmienione z {old_groups} do {new_groups} z powodu: {desc}"
+
+#: rcgcdw.py:201
+msgid "Protected the page {target}"
+msgstr "Zabezpieczono stronę: {target}"
+
+#: rcgcdw.py:206
+msgid "Modified protection settings for {article}"
+msgstr "Zmodyfikowano ustawienia zabezpieczeń dla {article}"
+
+#: rcgcdw.py:211
+msgid "Removed protection for {article}"
+msgstr "Usunięto zabezpieczenia dla {article}"
+
+#: rcgcdw.py:215
+msgid "Removed revision(s) from public view for {article}"
+msgstr "Usunięto edycje z widoku publicznego dla {article}"
+
+#: rcgcdw.py:218
+msgid "Imported {article} with {count} revision(s)"
+msgstr "Zaimportowano {article} z {count} wersjami"
+
+#: rcgcdw.py:221
+msgid "Restored {article}"
+msgstr "Przywrócono {article)"
+
+#: rcgcdw.py:224
+msgid "Removed events"
+msgstr "Usunięto wydarzenia"
+
+#: rcgcdw.py:227
+msgid "Imported interwiki"
+msgstr "Zaimportowano interwiki"
+
+#: rcgcdw.py:230
+msgid "Edited abuse filter number {number}"
+msgstr "Edytowano filtr nadużyć numer (number)"
+
+#: rcgcdw.py:233
+msgid "Merged revision histories for {article}"
+msgstr "Połączono historie artykułu dla {article}"
+
+#: rcgcdw.py:236
+msgid "Added interwiki entry"
+msgstr "Dodano intwrwiki"
+
+#: rcgcdw.py:237 rcgcdw.py:241
+msgid "Prefix: {prefix}, website: {website} | {desc}"
+msgstr "Prefix: {prefix}, strona: {website} | desc"
+
+#: rcgcdw.py:240
+msgid "Edited interwiki entry"
+msgstr "Edytowano interwiki"
+
+#: rcgcdw.py:244
+msgid "Deleted interwiki entry"
+msgstr "Usunięto interwiki"
+
+#: rcgcdw.py:245
+msgid "Prefix: {prefix} | {desc}"
+msgstr "Prefix: {prefix} | {desc}"
+
+#: rcgcdw.py:248
+msgid "Changed content model of {article}"
+msgstr "Zmieniono model zawartości {article}"
+
+#: rcgcdw.py:249
+msgid "Model changed from {old} to {new}: {reason}"
+msgstr "Model został zmieniony z {old} na {new}: reason"
+
+#: rcgcdw.py:252
+msgid "Edited the sprite for {article}"
+msgstr "Edytowano sprite dla {article}"
+
+#: rcgcdw.py:255
+msgid "Created the sprite sheet for {article}"
+msgstr "Utworzono sprite sheet dla {article}"
+
+#: rcgcdw.py:258
+msgid "Edited the slice for {article}"
+msgstr "Edytowano część sprite dla {article}"
+
+#: rcgcdw.py:261
+msgid "Created a tag \"{tag}\""
+msgstr "Utworzono tag \"{tag}\""
+
+#: rcgcdw.py:264
+msgid "Deleted a tag \"{tag}\""
+msgstr "Usunięto tag \"{tag}\""
+
+#: rcgcdw.py:283
+msgid "No description provided"
+msgstr "Nie podano opisu zmian"
+
+#: rcgcdw.py:364
+msgid "Unable to process the event"
+msgstr "Nie udało się odczytać wydarzenia"
+
+#: rcgcdw.py:364
+msgid "error"
+msgstr "błąd"
+
+#: rcgcdw.py:445
+msgid "Connection status"
+msgstr "Problem z połączeniem"
+
+#: rcgcdw.py:445
+msgid "Minecraft Wiki seems to be down or unreachable."
+msgstr "Minecraft Wiki nie działa lub jest nieosiągalna."
+
+#: rcgcdw.py:445
+msgid "https://i.imgur.com/2jWQEt1.png"
+msgstr "https://i.imgur.com/2jWQEt1.png"
diff --git a/rcgcdw.pot b/rcgcdw.pot
new file mode 100644
index 0000000..2d1759b
--- /dev/null
+++ b/rcgcdw.pot
@@ -0,0 +1,247 @@
+# SOME DESCRIPTIVE TITLE.
+# Copyright (C) YEAR ORGANIZATION
+# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: PACKAGE VERSION\n"
+"POT-Creation-Date: 2018-06-16 13:32+0200\n"
+"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
+"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
+"Language-Team: LANGUAGE <LL@li.org>\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Generated-By: pygettext.py 1.5\n"
+
+
+#: rcgcdw.py:88
+msgid "New file version {name}"
+msgstr ""
+
+#: rcgcdw.py:89
+msgid "([preview]({link}) | [undo]({undolink}))"
+msgstr ""
+
+#: rcgcdw.py:89 rcgcdw.py:105
+msgid "Options"
+msgstr ""
+
+#: rcgcdw.py:91
+msgid "New file {name}"
+msgstr ""
+
+#: rcgcdw.py:105
+msgid "([preview]({link}))"
+msgstr ""
+
+#: rcgcdw.py:106
+msgid ""
+"{desc}\n"
+"License: {license}"
+msgstr ""
+
+#: rcgcdw.py:111
+msgid "Deleted {article}"
+msgstr ""
+
+#: rcgcdw.py:116
+msgid "Deleted redirect ({article}) to make space for moved page"
+msgstr ""
+
+#: rcgcdw.py:120
+msgid "A redirect has been made"
+msgstr ""
+
+#: rcgcdw.py:120
+msgid "No redirect has been made"
+msgstr ""
+
+#: rcgcdw.py:121
+msgid "Moved \"{article}\" to \"{target}\""
+msgstr ""
+
+#: rcgcdw.py:124
+msgid "Moved {article} to redirect page ({title})"
+msgstr ""
+
+#: rcgcdw.py:128
+msgid "Moved protection settings from {article} to {title}"
+msgstr ""
+
+#: rcgcdw.py:133
+msgid "infinity and beyond"
+msgstr ""
+
+#: rcgcdw.py:134
+msgid "Blocked {blocked_user} for {time}"
+msgstr ""
+
+#: rcgcdw.py:140
+msgid "Reapplied the block on {blocked_user}"
+msgstr ""
+
+#: rcgcdw.py:146
+msgid "Removed the block on {blocked_user}"
+msgstr ""
+
+#: rcgcdw.py:151
+msgid "Left a comment on {target}'s profile"
+msgstr ""
+
+#: rcgcdw.py:154
+msgid "Replied to a comment on {target}'s profile"
+msgstr ""
+
+#: rcgcdw.py:157
+msgid "Edited a comment on {target}'s profile"
+msgstr ""
+
+#: rcgcdw.py:161
+msgid "Location"
+msgstr ""
+
+#: rcgcdw.py:163
+msgid "About me"
+msgstr ""
+
+#: rcgcdw.py:183
+msgid "Unknown"
+msgstr ""
+
+#: rcgcdw.py:184
+msgid "Edited {target}'s profile"
+msgstr ""
+
+#: rcgcdw.py:185
+msgid "{field} field changed to: {desc}"
+msgstr ""
+
+#: rcgcdw.py:188
+msgid "Removed a comment on {target}'s profile"
+msgstr ""
+
+#: rcgcdw.py:191
+msgid "Changed {target}'s user groups"
+msgstr ""
+
+#: rcgcdw.py:195 rcgcdw.py:197
+msgid "none"
+msgstr ""
+
+#: rcgcdw.py:198
+msgid "Groups changed from {old_groups} to {new_groups} with reason given: {desc}"
+msgstr ""
+
+#: rcgcdw.py:201
+msgid "Protected the page {target}"
+msgstr ""
+
+#: rcgcdw.py:206
+msgid "Modified protection settings for {article}"
+msgstr ""
+
+#: rcgcdw.py:211
+msgid "Removed protection for {article}"
+msgstr ""
+
+#: rcgcdw.py:215
+msgid "Removed revision(s) from public view for {article}"
+msgstr ""
+
+#: rcgcdw.py:218
+msgid "Imported {article} with {count} revision(s)"
+msgstr ""
+
+#: rcgcdw.py:221
+msgid "Restored {article}"
+msgstr ""
+
+#: rcgcdw.py:224
+msgid "Removed events"
+msgstr ""
+
+#: rcgcdw.py:227
+msgid "Imported interwiki"
+msgstr ""
+
+#: rcgcdw.py:230
+msgid "Edited abuse filter number {number}"
+msgstr ""
+
+#: rcgcdw.py:233
+msgid "Merged revision histories for {article}"
+msgstr ""
+
+#: rcgcdw.py:236
+msgid "Added interwiki entry"
+msgstr ""
+
+#: rcgcdw.py:237 rcgcdw.py:241
+msgid "Prefix: {prefix}, website: {website} | {desc}"
+msgstr ""
+
+#: rcgcdw.py:240
+msgid "Edited interwiki entry"
+msgstr ""
+
+#: rcgcdw.py:244
+msgid "Deleted interwiki entry"
+msgstr ""
+
+#: rcgcdw.py:245
+msgid "Prefix: {prefix} | {desc}"
+msgstr ""
+
+#: rcgcdw.py:248
+msgid "Changed content model of {article}"
+msgstr ""
+
+#: rcgcdw.py:249
+msgid "Model changed from {old} to {new}: {reason}"
+msgstr ""
+
+#: rcgcdw.py:252
+msgid "Edited the sprite for {article}"
+msgstr ""
+
+#: rcgcdw.py:255
+msgid "Created the sprite sheet for {article}"
+msgstr ""
+
+#: rcgcdw.py:258
+msgid "Edited the slice for {article}"
+msgstr ""
+
+#: rcgcdw.py:261
+msgid "Created a tag \"{tag}\""
+msgstr ""
+
+#: rcgcdw.py:264
+msgid "Deleted a tag \"{tag}\""
+msgstr ""
+
+#: rcgcdw.py:283
+msgid "No description provided"
+msgstr ""
+
+#: rcgcdw.py:364
+msgid "Unable to process the event"
+msgstr ""
+
+#: rcgcdw.py:364
+msgid "error"
+msgstr ""
+
+#: rcgcdw.py:445
+msgid "Connection status"
+msgstr ""
+
+#: rcgcdw.py:445
+msgid "Minecraft Wiki seems to be down or unreachable."
+msgstr ""
+
+#: rcgcdw.py:445
+msgid "https://i.imgur.com/2jWQEt1.png"
+msgstr ""
+
diff --git a/rcgcdw.py b/rcgcdw.py
index 1d1c58c..4b9c017 100644
--- a/rcgcdw.py
+++ b/rcgcdw.py
@@ -1,12 +1,14 @@
 #!/usr/bin/python
 # -*- coding: utf-8 -*-
 
-import time, logging, json, requests, datetime, re
+import time, logging, json, requests, datetime, re, gettext
 from bs4 import BeautifulSoup
 from collections import defaultdict
 logging.basicConfig(level=logging.DEBUG)
 #logging.warning('Watch out!')
 #DEBUG, INFO, WARNING, ERROR, CRITICAL
+pl = gettext.translation('rcgcdw', localedir='locale', languages=['pl'])
+pl.install()
 
 with open("settings.json") as sfile:
 	settings = json.load(sfile)
@@ -39,7 +41,7 @@ def webhook_formatter(action, timestamp, **params):
 		article_encoded = params["title"].replace(" ", "_").replace(')', '\)')
 	if re.match(r"\b\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\b", params["author"]) is not None:
 		author_url = "https://{wiki}.gamepedia.com/Special:Contributions/{user}".format(wiki=settings["wiki"], user=params["author"])
-		if params["author"] not in recent_changes.map_ips.keys():
+		if params["author"] not in list(recent_changes.map_ips.keys()):
 			contibs = safe_read(recent_changes.safe_request("https://{wiki}.gamepedia.com/api.php?action=query&format=json&list=usercontribs&uclimit=max&ucuser={user}&ucprop=".format(wiki=settings["wiki"], user=params["author"])), "query", "usercontribs")
 			if contibs is None:
 				logging.warning("WARNING: Something went wrong when checking amount of contributions for given IP address")
@@ -77,23 +79,23 @@ def webhook_formatter(action, timestamp, **params):
 		undolink = ""
 		link ="https://{wiki}.gamepedia.com/{article}".format(wiki=settings["wiki"], article=article_encoded)
 		if urls is not None:
-			img_info = urls.itervalues().next()["imageinfo"]
+			img_info = iter(urls.values()).next()["imageinfo"]
 			embed["image"]["url"] = img_info[0]["url"]
 		else:
 			return
 		if params["overwrite"]:
 			colornumber = 12390624
-			img_timestamp = filter(lambda x: x.isdigit(), img_info[1]["timestamp"])
+			img_timestamp = [x for x in img_info[1]["timestamp"] if x.isdigit()]
 			undolink = "https://{wiki}.gamepedia.com/index.php?title={filename}&action=revert&oldimage={timestamp}%21{filenamewon}".format(wiki=settings["wiki"], filename=article_encoded, timestamp=img_timestamp, filenamewon = article_encoded[5:])
 			embed["title"] = _("New file version {name}").format(name=params["title"])
 			embed["fields"] = [{"name": _("Options"), "value": _("([preview]({link}) | [undo]({undolink}))").format(link=embed["image"]["url"], undolink=undolink)}]
 		else:
 			embed["title"] = _("New file {name}").format(name=params["title"])
-			article_content = safe_read(recent_changes.safe_request("https://minecraft.gamepedia.com/api.php?action=query&format=json&prop=revisions&titles={article}&rvprop=content".format(article=urllib.quote_plus(params["title"]))), "query", "pages") #TODO Napewno urllib?
+			article_content = safe_read(recent_changes.safe_request("https://minecraft.gamepedia.com/api.php?action=query&format=json&prop=revisions&titles={article}&rvprop=content".format(article=urllib.parse.quote_plus(params["title"]))), "query", "pages") #TODO Napewno urllib?
 			if article_content is None:
 				logging.warning("Something went wrong when getting license for the image")
 				return 0
-			content = article_content.values()[0]['revisions'][0]['*'].lower()
+			content = list(article_content.values())[0]['revisions'][0]['*'].lower()
 			if "{{license" not in content:
 				license = "**No license!**"
 			else:
@@ -387,7 +389,7 @@ class recent_changes(object):
 			self.ids.pop(0)
 	def fetch(self):
 		self.recent_id = self.fetch_changes()
-	def fetch_changes(self):
+	def fetch_changes(self, clean=False):
 		if len(self.cache) == 0:
 			logging.debug("cache is empty, triggering clean fetch")
 			clean = True