Implement `__getstate__` and `__setstate__` for `Hit` and `MinimizerInfo`

pyfastani/_fastani.pyi

 import typing
-from typing import Generic, List, Union, Iterable, TypeVar
+from typing import Generic, List, Union, Iterable, Tuple, TypeVar
 
 N = TypeVar("N")
 Seq = Union[str, bytes, bytearray, memoryview]
@@ -54,6 +54,8 @@ class Hit(Generic[N]):
     def __init__(self, name: N, identity: float, matches: int, fragments: int): ...
     def __repr__(self) -> str: ...
     def __eq__(self, other: object) -> bool: ...
+    def __getstate__(self) -> Tuple[N, float, int, int]: ...
+    def __setstate__(self, state: Tuple[N, float, int, int]) -> None: ...
     @property
     def name(self) -> N: ...
     @property
@@ -68,6 +70,8 @@ class MinimizerInfo:
     def __init__(self, hash: int, sequence_id: int, window_position: int): ...
     def __repr__(self) -> str: ...
     def __eq__(self, other: object) -> bool: ...
+    def __getstate__(self) -> Tuple[int, int, int]: ...
+    def __setstate__(self, state: Tuple[int, int, int]) -> None: ...
     @property
     def hash(self) -> int: ...
     @property

pyfastani/_fastani.pyx

@@ -900,6 +900,12 @@ cdef class Hit:
             and self.identity == other.identity
         )
 
+    def __getstate__(self):
+        return self.name, self.matches, self.fragments, self.identity
+
+    def __setstate__(self, state):
+        self.name, self.matches, self.fragments, self.identity = state
+
 
 cdef class MinimizerInfo:
     """The information about a single minimizer.
@@ -936,6 +942,12 @@ cdef class MinimizerInfo:
             and self.window_position == other.window_position
         )
 
+    def __getstate__(self):
+        return self.hash, self.sequence_id, self.window_position
+
+    def __setstate__(self, state):
+        self.hash, self.sequence_id, self.window_position = state
+
     # --- Methods ------------------------------------------------------------
 
     @staticmethod