diff --git a/src/__init__.py b/src/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/libWiiPy/__init__.py b/src/libWiiPy/__init__.py
index f381d5b..0d3aa40 100644
--- a/src/libWiiPy/__init__.py
+++ b/src/libWiiPy/__init__.py
@@ -1,14 +1,9 @@
 # "__init__.py" from libWiiPy by NinjaCheetah & Contributors
 # https://github.com/NinjaCheetah/libWiiPy
 #
-# These are the essential modules from libWiiPy that you'd probably want imported by default.
+# These are the essential submodules from libWiiPy that you'd probably want imported by default.
 
-from .commonkeys import *
-from .content import *
-from .ticket import *
-from .crypto import *
-from .title import *
-from .tmd import *
-from .wad import *
-from .nus import *
-from .u8 import *
+__all__ = ["archive", "title"]
+
+from . import archive
+from . import title
diff --git a/src/libWiiPy/archive/__init__.py b/src/libWiiPy/archive/__init__.py
new file mode 100644
index 0000000..39144ba
--- /dev/null
+++ b/src/libWiiPy/archive/__init__.py
@@ -0,0 +1,4 @@
+# "archive/__init__.py" from libWiiPy by NinjaCheetah & Contributors
+# https://github.com/NinjaCheetah/libWiiPy
+
+from .u8 import *
diff --git a/src/libWiiPy/u8.py b/src/libWiiPy/archive/u8.py
similarity index 54%
rename from src/libWiiPy/u8.py
rename to src/libWiiPy/archive/u8.py
index 69a5ad4..0dd9847 100644
--- a/src/libWiiPy/u8.py
+++ b/src/libWiiPy/archive/u8.py
@@ -1,4 +1,4 @@
-# "u8.py" from libWiiPy by NinjaCheetah & Contributors
+# "archive/u8.py" from libWiiPy by NinjaCheetah & Contributors
 # https://github.com/NinjaCheetah/libWiiPy
 #
 # See https://wiibrew.org/wiki/U8_archive for details about the U8 archive format
@@ -6,14 +6,38 @@
 import io
 import binascii
 import os
+from dataclasses import dataclass
 from typing import List
-from .types import U8Node
+
+
+@dataclass
+class U8Node:
+    """
+    A U8Node object that contains the data of a single node in a U8 file header. Each node keeps track of whether this
+    node is for a file or directory, the offset of the name of the file/directory, the offset of the data for the file/
+    directory, and the size of the data.
+
+    Attributes
+    ----------
+    type : int
+        Whether this node refers to a file or a directory. Either 0x0000 for files, or 0x0100 for directories.
+    name_offset : int
+        The offset of the name of the file/directory this node refers to.
+    data_offset : int
+        The offset of the data for the file/directory this node refers to.
+    size : int
+        The size of the data for this node.
+    """
+    type: int
+    name_offset: int
+    data_offset: int
+    size: int
 
 
 class U8Archive:
     def __init__(self):
         """
-        A U8 object that allows for extracting and packing U8 archives.
+        A U8 object that allows for managing the contents of a U8 archive.
 
         Attributes
         ----------
@@ -77,33 +101,54 @@ class U8Archive:
                 else:
                     self.u8_file_data_list.append(b'')
 
-    def extract_to_folder(self, output_folder) -> None:
-        if os.path.isdir(output_folder):
-            raise ValueError("Output folder already exists!")
-        if self.u8_node_list is []:
-            raise ValueError("No U8 file is loaded!")
+    def dump(self) -> None:
+        """
+        Dumps the U8Archive object into a U8 file.
+        """
+        u8_data = b''
+        # Magic number.
+        u8_data += b'\x55\xAA\x38\x2D'
+        # Root node offset (this is always 0x20).
+        u8_data += int.to_bytes(0x20, 4)
 
-        os.mkdir(output_folder)
 
-        current_dir = ""
-        for node in range(len(self.u8_node_list)):
-            if self.u8_node_list[node].name_offset != 0:
-                if self.u8_node_list[node].type == 256:
-                    if self.u8_node_list[node].data_offset == 0:
-                        os.mkdir(os.path.join(output_folder, self.file_name_list[node]))
-                        current_dir = self.file_name_list[node]
-                    elif self.u8_node_list[node].data_offset < node:
-                        lower_path = os.path.join(output_folder, current_dir)
-                        os.mkdir(os.path.join(lower_path, self.file_name_list[node]))
-                        current_dir = os.path.join(current_dir, self.file_name_list[node])
-                elif self.u8_node_list[node].type == 0:
+def extract_u8(u8_data, output_folder) -> None:
+    if os.path.isdir(output_folder):
+        raise ValueError("Output folder already exists!")
+
+    os.mkdir(output_folder)
+
+    u8_archive = U8Archive()
+    u8_archive.load(u8_data)
+
+    current_dir = ""
+    for node in range(len(u8_archive.u8_node_list)):
+        if u8_archive.u8_node_list[node].name_offset != 0:
+            if u8_archive.u8_node_list[node].type == 256:
+                if u8_archive.u8_node_list[node].data_offset == 0:
+                    os.mkdir(os.path.join(output_folder, u8_archive.file_name_list[node]))
+                    current_dir = u8_archive.file_name_list[node]
+                elif u8_archive.u8_node_list[node].data_offset < node:
                     lower_path = os.path.join(output_folder, current_dir)
-                    output_file = open(os.path.join(lower_path, self.file_name_list[node]), "wb")
-                    output_file.write(self.u8_file_data_list[node])
-                    output_file.close()
-
-    def pack_from_folder(self, input_folder) -> None:
-        if not os.path.isdir(input_folder):
-            raise ValueError("Input folder does not exist!")
+                    os.mkdir(os.path.join(lower_path, u8_archive.file_name_list[node]))
+                    current_dir = os.path.join(current_dir, u8_archive.file_name_list[node])
+            elif u8_archive.u8_node_list[node].type == 0:
+                lower_path = os.path.join(output_folder, current_dir)
+                output_file = open(os.path.join(lower_path, u8_archive.file_name_list[node]), "wb")
+                output_file.write(u8_archive.u8_file_data_list[node])
+                output_file.close()
+
+
+def pack_u8(input_data) -> None:
+    if os.path.isdir(input_data):
+        raise ValueError("Only single-file packing is currently supported!")
+    elif os.path.isfile(input_data):
+        with open(input_data, "rb") as f:
+            u8_archive = U8Archive()
+
+            file_name = os.path.basename(input_data)
+
+            u8_archive.file_name_list.append(file_name)
+            u8_archive.u8_file_data_list.append(f.read())
 
 
diff --git a/src/libWiiPy/title/__init__.py b/src/libWiiPy/title/__init__.py
new file mode 100644
index 0000000..a54b791
--- /dev/null
+++ b/src/libWiiPy/title/__init__.py
@@ -0,0 +1,8 @@
+# "title/__init__.py" from libWiiPy by NinjaCheetah & Contributors
+# https://github.com/NinjaCheetah/libWiiPy
+
+from .content import *
+from .ticket import *
+from .title import *
+from .tmd import *
+from .wad import *
diff --git a/src/libWiiPy/commonkeys.py b/src/libWiiPy/title/commonkeys.py
similarity index 93%
rename from src/libWiiPy/commonkeys.py
rename to src/libWiiPy/title/commonkeys.py
index 04755e2..9875bff 100644
--- a/src/libWiiPy/commonkeys.py
+++ b/src/libWiiPy/title/commonkeys.py
@@ -1,4 +1,4 @@
-# "commonkeys.py" from libWiiPy by NinjaCheetah & Contributors
+# "title/commonkeys.py" from libWiiPy by NinjaCheetah & Contributors
 # https://github.com/NinjaCheetah/libWiiPy
 
 import binascii
diff --git a/src/libWiiPy/content.py b/src/libWiiPy/title/content.py
similarity index 98%
rename from src/libWiiPy/content.py
rename to src/libWiiPy/title/content.py
index 0029759..c2a3392 100644
--- a/src/libWiiPy/content.py
+++ b/src/libWiiPy/title/content.py
@@ -1,4 +1,4 @@
-# "content.py" from libWiiPy by NinjaCheetah & Contributors
+# "title/content.py" from libWiiPy by NinjaCheetah & Contributors
 # https://github.com/NinjaCheetah/libWiiPy
 #
 # See https://wiibrew.org/wiki/Title for details about how titles are formatted
@@ -7,8 +7,8 @@ import io
 import sys
 import hashlib
 from typing import List
-from .types import ContentRecord
-from .crypto import decrypt_content, encrypt_content
+from src.libWiiPy.types import ContentRecord
+from src.libWiiPy.title.crypto import decrypt_content, encrypt_content
 
 
 class ContentRegion:
diff --git a/src/libWiiPy/crypto.py b/src/libWiiPy/title/crypto.py
similarity index 96%
rename from src/libWiiPy/crypto.py
rename to src/libWiiPy/title/crypto.py
index 734f0bf..5f7d88c 100644
--- a/src/libWiiPy/crypto.py
+++ b/src/libWiiPy/title/crypto.py
@@ -1,9 +1,9 @@
-# "crypto.py" from libWiiPy by NinjaCheetah & Contributors
+# "title/crypto.py" from libWiiPy by NinjaCheetah & Contributors
 # https://github.com/NinjaCheetah/libWiiPy
 
 import struct
-from .commonkeys import get_common_key
-from .shared import convert_tid_to_iv
+from src.libWiiPy.title.commonkeys import get_common_key
+from src.libWiiPy.shared import convert_tid_to_iv
 
 from Crypto.Cipher import AES
 
diff --git a/src/libWiiPy/nus.py b/src/libWiiPy/title/nus.py
similarity index 97%
rename from src/libWiiPy/nus.py
rename to src/libWiiPy/title/nus.py
index 4282860..d9085c3 100644
--- a/src/libWiiPy/nus.py
+++ b/src/libWiiPy/title/nus.py
@@ -1,4 +1,4 @@
-# "nus.py" from libWiiPy by NinjaCheetah & Contributors
+# "title/nus.py" from libWiiPy by NinjaCheetah & Contributors
 # https://github.com/NinjaCheetah/libWiiPy
 #
 # See https://wiibrew.org/wiki/NUS for details about the NUS
@@ -6,9 +6,9 @@
 import requests
 import hashlib
 from typing import List
-from .title import Title
-from .tmd import TMD
-from .ticket import Ticket
+from src.libWiiPy.title.title import Title
+from src.libWiiPy.title.tmd import TMD
+from src.libWiiPy.title.ticket import Ticket
 
 nus_endpoint = ["http://nus.cdn.shop.wii.com/ccs/download/", "http://ccs.cdn.wup.shop.nintendo.net/ccs/download/"]
 
diff --git a/src/libWiiPy/ticket.py b/src/libWiiPy/title/ticket.py
similarity index 98%
rename from src/libWiiPy/ticket.py
rename to src/libWiiPy/title/ticket.py
index 8f6a0aa..6e433b0 100644
--- a/src/libWiiPy/ticket.py
+++ b/src/libWiiPy/title/ticket.py
@@ -1,12 +1,12 @@
-# "ticket.py" from libWiiPy by NinjaCheetah & Contributors
+# "title/ticket.py" from libWiiPy by NinjaCheetah & Contributors
 # https://github.com/NinjaCheetah/libWiiPy
 #
 # See https://wiibrew.org/wiki/Ticket for details about the ticket format
 
 import io
 import binascii
-from .crypto import decrypt_title_key
-from .types import TitleLimit
+from src.libWiiPy.title.crypto import decrypt_title_key
+from src.libWiiPy.types import TitleLimit
 from typing import List
 
 
diff --git a/src/libWiiPy/title.py b/src/libWiiPy/title/title.py
similarity index 97%
rename from src/libWiiPy/title.py
rename to src/libWiiPy/title/title.py
index 4478a62..d0d6690 100644
--- a/src/libWiiPy/title.py
+++ b/src/libWiiPy/title/title.py
@@ -1,12 +1,12 @@
-# "title.py" from libWiiPy by NinjaCheetah & Contributors
+# "title/title.py" from libWiiPy by NinjaCheetah & Contributors
 # https://github.com/NinjaCheetah/libWiiPy
 #
 # See https://wiibrew.org/wiki/Title for details about how titles are formatted
 
-from .content import ContentRegion
-from .ticket import Ticket
-from .tmd import TMD
-from .wad import WAD
+from src.libWiiPy.title.content import ContentRegion
+from src.libWiiPy.title.ticket import Ticket
+from src.libWiiPy.title.tmd import TMD
+from src.libWiiPy.title.wad import WAD
 
 
 class Title:
diff --git a/src/libWiiPy/tmd.py b/src/libWiiPy/title/tmd.py
similarity index 99%
rename from src/libWiiPy/tmd.py
rename to src/libWiiPy/title/tmd.py
index 4510cc4..fd3c5cf 100644
--- a/src/libWiiPy/tmd.py
+++ b/src/libWiiPy/title/tmd.py
@@ -1,4 +1,4 @@
-# "tmd.py" from libWiiPy by NinjaCheetah & Contributors
+# "title/tmd.py" from libWiiPy by NinjaCheetah & Contributors
 # https://github.com/NinjaCheetah/libWiiPy
 #
 # See https://wiibrew.org/wiki/Title_metadata for details about the TMD format
@@ -7,7 +7,7 @@ import io
 import binascii
 import struct
 from typing import List
-from .types import ContentRecord
+from src.libWiiPy.types import ContentRecord
 
 
 class TMD:
diff --git a/src/libWiiPy/wad.py b/src/libWiiPy/title/wad.py
similarity index 99%
rename from src/libWiiPy/wad.py
rename to src/libWiiPy/title/wad.py
index 19d1700..12ba493 100644
--- a/src/libWiiPy/wad.py
+++ b/src/libWiiPy/title/wad.py
@@ -1,11 +1,11 @@
-# "wad.py" from libWiiPy by NinjaCheetah & Contributors
+# "title/wad.py" from libWiiPy by NinjaCheetah & Contributors
 # https://github.com/NinjaCheetah/libWiiPy
 #
 # See https://wiibrew.org/wiki/WAD_files for details about the WAD format
 
 import io
 import binascii
-from .shared import align_value, pad_bytes
+from src.libWiiPy.shared import align_value, pad_bytes
 
 
 class WAD:
diff --git a/src/libWiiPy/types.py b/src/libWiiPy/types.py
index 9dd6813..155090e 100644
--- a/src/libWiiPy/types.py
+++ b/src/libWiiPy/types.py
@@ -49,27 +49,3 @@ class TitleLimit:
     limit_type: int
     # The maximum value of the limit applied.
     maximum_usage: int
-
-
-@dataclass
-class U8Node:
-    """
-    A U8Node object that contains the data of a single node in a U8 file header. Each node keeps track of whether this
-    node is for a file or directory, the offset of the name of the file/directory, the offset of the data for the file/
-    directory, and the size of the data.
-
-    Attributes
-    ----------
-    type : int
-        Whether this node refers to a file or a directory. Either 0x0000 for files, or 0x0100 for directories.
-    name_offset : int
-        The offset of the name of the file/directory this node refers to.
-    data_offset : int
-        The offset of the data for the file/directory this node refers to.
-    size : int
-        The size of the data for this node.
-    """
-    type: int
-    name_offset: int
-    data_offset: int
-    size: int