diff --git a/Github/main.py b/Github/main.py
index 699bc1b..260dcce 100644
--- a/Github/main.py
+++ b/Github/main.py
@@ -1,26 +1,45 @@
-#== main.py ==#
+# == main.py ==#
 from __future__ import annotations
-from datetime import datetime
 
-__all__ = (
-    'GHClient',
-)
+__all__ = ("GHClient",)
 
 import asyncio
 import functools
-from typing import Any, Union, List, Dict 
-
 import aiohttp
 
+from typing import (
+    TYPE_CHECKING,
+    Awaitable,
+    Callable,
+    Literal,
+    Any,
+    Coroutine,
+    Dict,
+    Generator,
+    Optional,
+    Union,
+    List,
+    overload,
+    TypeVar,
+)
+from typing_extensions import Self, ParamSpec, Concatenate
+
 from . import exceptions
 from .cache import ObjectCache
 from .http import http
 from .objects import Gist, Issue, Organization, Repository, User, File
 
+
+T = TypeVar("T")
+P = ParamSpec("P")
+
+
 class GHClient:
-    _auth = None
-    has_started = False
-    http: http
+    if TYPE_CHECKING:
+        http: http
+
+    has_started: bool = False
+
     def __init__(
         self,
         *,
@@ -28,47 +47,69 @@ class GHClient:
         token: Union[str, None] = None,
         user_cache_size: int = 30,
         repo_cache_size: int = 15,
-        custom_headers: dict[str, Union[str, int]] = {}
+        custom_headers: dict[str, Union[str, int]] = {},
     ):
         """The main client, used to start most use-cases."""
         self._headers = custom_headers
-        
+
         self._user_cache = ObjectCache[Any, User](user_cache_size)
         self._repo_cache = ObjectCache[Any, Repository](repo_cache_size)
         if username and token:
             self.username = username
             self.token = token
             self._auth = aiohttp.BasicAuth(username, token)
+            
+        # Cache manegent
+        self._cache(type='user')(self.get_self) # type: ignore
+        self._cache(type='user')(self.get_user) # type: ignore
+        self._cache(type='repo')(self.get_repo) # type: ignore
 
-    def __await__(self) -> 'GHClient':
+    def __call__(self, *args: Any, **kwargs: Any) -> Coroutine[Any, Any, Self]:
+        return self.start(*args, **kwargs)
+
+    def __await__(self) -> Generator[Any, Any, Self]:
         return self.start().__await__()
 
     def __repr__(self) -> str:
-        return f'<{self.__class__.__name__} has_auth={bool(self._auth)}>'
+        return f"<{self.__class__.__name__} has_auth={bool(self._auth)}>"
 
     def __del__(self):
-        asyncio.create_task(self.http.session.close())
+        asyncio.create_task(
+            self.http.session.close(), name="cleanup-session-github-api-wrapper"
+        )
 
-    def check_limits(self, as_dict: bool = False) -> dict[str, str | int] | list[str]:
+    @overload
+    def check_limits(self, as_dict: Literal[True] = True) -> Dict[str, Union[str, int]]:
+        ...
+
+    @overload
+    def check_limits(self, as_dict: Literal[False] = False) -> List[str]:
+        ...
+
+    def check_limits(
+        self, as_dict: bool = False
+    ) -> Union[Dict[str, Union[str, int]], List[str]]:
         if not self.has_started:
             raise exceptions.NotStarted
         if not as_dict:
-            output = []
-            for key, value in self.http.session._rates._asdict().items():
-                output.append(f'{key} : {value}')
+            output: List[str] = []
+            for key, value in self.http.session._rates._asdict().items():  # type: ignore
+                output.append(f"{key} : {value}")
+
             return output
-        return self.http.session._rates
+
+        return self.http.session._rates  # type: ignore
 
     async def update_auth(self, username: str, token: str) -> None:
         """Allows you to input auth information after instantiating the client."""
-        #check if username and token is valid
+        # check if username and token is valid
         await self.http.update_auth(username=username, token=token)
         try:
             await self.http.get_self()
         except exceptions.InvalidToken as exc:
             raise exceptions.InvalidToken from exc
 
-    async def start(self) -> 'GHClient':
+    async def start(self) -> Self:
         """Main entry point to the wrapper, this creates the ClientSession."""
         if self.has_started:
             raise exceptions.AlreadyStarted
@@ -83,78 +124,103 @@ class GHClient:
         self.has_started = True
         return self
 
-    def _cache(*args, **kwargs):
-        target_type = kwargs.get('type')
-        def wrapper(func):
+    def _cache(
+        self: Self, *, type: str
+    ) -> Callable[
+        [Callable[Concatenate[Self, P], Awaitable[T]]],
+        Callable[Concatenate[Self, P], Awaitable[Optional[Union[T, User, Repository]]]],
+    ]:
+        def wrapper(
+            func: Callable[Concatenate[Self, P], Awaitable[T]]
+        ) -> Callable[
+            Concatenate[Self, P], Awaitable[Optional[Union[T, User, Repository]]]
+        ]:
             @functools.wraps(func)
-            async def wrapped(self, *args, **kwargs):
-                if target_type == 'User':
-                    if (obj := self._user_cache.get(kwargs.get('user'))):
+            async def wrapped(
+                self: Self, *args: P.args, **kwargs: P.kwargs
+            ) -> Optional[Union[T, User, Repository]]:
+                if type == "user":
+                    if obj := self._user_cache.get(kwargs.get("user")):
                         return obj
-                    else:
-                        res = await func(self, *args, **kwargs)
-                        self._user_cache[kwargs.get('user')] = res
-                        return res
-                if target_type == 'Repo':
-                    if (obj := self._repo_cache.get(kwargs.get('repo'))):
+
+                    user: User = await func(self, *args, **kwargs)  # type: ignore
+                    self._user_cache[kwargs.get("user")] = user
+                    return user
+                if type == "repo":
+                    if obj := self._repo_cache.get(kwargs.get("repo")):
                         return obj
-                    else:
-                        res = await func(self, *args, **kwargs)
-                        self._repo_cache[kwargs.get('repo')] = res
-                        return res
+
+                    repo: Repository = await func(self, *args, **kwargs)  # type: ignore
+                    self._repo_cache[kwargs.get("repo")] = repo
+                    return repo
+
             return wrapped
+
         return wrapper
 
-    #@_cache(type='User')
+    # @_cache(type='User')
     async def get_self(self) -> User:
         """Returns the authenticated User object."""
         if self._auth:
-            return User(await self.http.get_self(), self.http.session)
+            return User(await self.http.get_self(), self.http)
         else:
             raise exceptions.NoAuthProvided
 
-    @_cache(type='User')
     async def get_user(self, *, user: str) -> User:
         """Fetch a Github user from their username."""
-        return User(await self.http.get_user(user), self.http.session)
+        return User(await self.http.get_user(user), self.http)
 
-    @_cache(type='Repo')
     async def get_repo(self, *, owner: str, repo: str) -> Repository:
         """Fetch a Github repository from it's name."""
-        return Repository(await self.http.get_repo(owner, repo), self.http.session)
+        return Repository(await self.http.get_repo(owner, repo), self.http)
 
     async def get_issue(self, *, owner: str, repo: str, issue: int) -> Issue:
         """Fetch a Github Issue from it's name."""
-        return Issue(await self.http.get_repo_issue(owner, repo, issue), self.http.session)
+        return Issue(
+            await self.http.get_repo_issue(owner, repo, issue), self.http
+        )
 
-    async def create_repo(self, name: str, description: str = 'Repository created using Github-Api-Wrapper.', public: bool = False,gitignore: str = None, license: str = None) -> Repository:
-        return Repository(await self.http.create_repo(name,description,public,gitignore,license), self.http.session)
+    async def create_repo(
+        self,
+        name: str,
+        description: str = "Repository created using Github-Api-Wrapper.",
+        public: bool = False,
+        gitignore: Optional[str] = None,
+        license: Optional[str] = None,
+    ) -> Repository:
+        return Repository(
+            await self.http.create_repo(name, description, public, gitignore, license),
+            self.http,
+        )
 
-    async def delete_repo(self, repo: str= None, owner: str = None) -> None:
+    async def delete_repo(self, repo: str, owner: str) -> Optional[str]:
         """Delete a Github repository, requires authorisation."""
         owner = owner or self.username
         return await self.http.delete_repo(owner, repo)
 
     async def get_gist(self, gist: int) -> Gist:
         """Fetch a Github gist from it's id."""
-        return Gist(await self.http.get_gist(gist), self.http.session)
+        return Gist(await self.http.get_gist(gist), self.http)
 
-    async def create_gist(self, *,  files: List[File], description: str, public: bool) -> Gist:
+    async def create_gist(
+        self, *, files: List[File], description: str, public: bool
+    ) -> Gist:
         """Creates a Gist with the given files, requires authorisation."""
-        return Gist(await self.http.create_gist(files=files, description=description, public=public), self.http.session)
+        return Gist(
+            await self.http.create_gist(
+                files=files, description=description, public=public
+            ),
+            self.http,
+        )
 
-    async def delete_gist(self, gist: int) -> None:
+    async def delete_gist(self, gist: int) -> Optional[str]:
         """Delete a Github gist, requires authorisation."""
         return await self.http.delete_gist(gist)
 
     async def get_org(self, org: str) -> Organization:
         """Fetch a Github organization from it's name."""
-        return Organization(await self.http.get_org(org), self.http.session)
+        return Organization(await self.http.get_org(org), self.http)
 
     async def latency(self) -> float:
         """Returns the latency of the client."""
         return await self.http.latency()
-
-
-
-