diff --git a/.gitignore b/.gitignore
index 481d9da..96fd286 100644
--- a/.gitignore
+++ b/.gitignore
@@ -30,7 +30,6 @@ docs/_build
 docs/_static
 docs/templates
 .coverage
-.pytest_cache/
 
 # changes during CD/CI
 aliases/*/pyproject.toml
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7cccb6b..ef2d55a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,12 +1,6 @@
 # Changelog
 
-## 0.14.0
-
-* Added `ast` module
-* Deprecate `dei_args()` for problems with the typing system. The function is not going away tho
-* Module `sqlalchemy`: added `email_column()`
-
-## 0.13.1 and 0.12.7
+## 0.13.1 
 
 + Typing fixes
 
diff --git a/src/suou/__init__.py b/src/suou/__init__.py
index d7d1720..44f07a3 100644
--- a/src/suou/__init__.py
+++ b/src/suou/__init__.py
@@ -41,7 +41,7 @@ from .color import OKLabColor, chalk, WebColor, RGBColor, LinearRGBColor, \
 from .mat import Matrix
 from .argparse import LetterSubparsers
 
-__version__ = "0.14.0a1"
+__version__ = "0.13.1"
 
 __all__ = (
     'ColorFormatter',
diff --git a/src/suou/ast.py b/src/suou/ast.py
deleted file mode 100644
index c6b744d..0000000
--- a/src/suou/ast.py
+++ /dev/null
@@ -1,116 +0,0 @@
-"""
-Experimental AST module
-
----
-
-Copyright (c) 2026 Sakuragasaki46.
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-See LICENSE for the specific language governing permissions and
-limitations under the License.
-
-This software is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-"""
-
-from __future__ import annotations
-from ast import TypeVar
-from typing import Any, Collection
-
-_T = TypeVar('_T')
-
-class Node:
-    __slots__ = ('_children', )
-
-    _count: int
-    _children: list[Node]
-    _types: Collection[type]
-
-    def __repr__(self):
-        return f"{self.__class__.__name__}({', '.join(repr(x) for x in self._children)})"
-
-    def __init__(self, *args):
-        if self._count != len(args):
-            raise TypeError(f'{self.__class__.__name__} must be instanced with {self._count} arguments, got {len(args)}')
-
-        for i, (a, t) in enumerate(zip(args, self._types)):
-            if t != Any and not isinstance(a, t):
-                raise TypeError(f"argument {i} must be of type {t.__name__!r}, got {a.__class__.__name__!r}")
-
-        self._children = list(args)
-
-    def eval(self, ctx: dict):
-        raise TypeError(f'{self.__class__.__name__} cannot be eval()ed')
-
-    def __getitem__(self, key: int):
-        if key >= self._count:
-            raise IndexError('child node index out of range')
-        return self._children[key]
-
-    def __len__(self):
-        return self._count
-
-
-class ZeroOp(Node):
-    _count = 0
-    _types = ()
-
-
-class UnaryOp(Node):
-    _count = 1
-    _types = (Any,)
-    
-
-class BinaryOp(Node):
-    _count = 2
-    _types = (Any, Any)
-
-
-class TernaryOp(Node):
-    _count = 3
-    _types = (Any, Any, Any)
-
-
-class MultiOp(Node):
-    _count = 1
-    _types = (list,)
-
-    def __getitem__(self, key: int):
-        return self._children[0][key]
-
-    def __iter__(self):
-        return iter(self._children[0])
-
-    def __len__(self):
-        return len(self._children[0])
-
-
-
-class Literal(UnaryOp):
-    """A literal evals to the enclosed value."""
-    def eval(self, ctx: dict):
-        return self[0]
-
-
-## SUOU provides some ready-made literals, for the sake of ease-of-use.
-
-class IntLiteral(Literal):
-    _types = (int,)
-
-class FloatLiteral(Literal):
-    """
-    WARNING: may be subject to loss of precision.
-    """
-    _types = (float,)
-
-class StringLiteral(Literal):
-    _types = (str,)
-
-
-# This module is experimental and therefore not re-exported into __init__
-__all__ = (
-    'Node', 'ZeroOp', 'UnaryOp', 'BinaryOp', 'TernaryOp',
-    'MultiOp', 'Literal', 'IntLiteral', 'FloatLiteral',
-    'StringLiteral'
-)
\ No newline at end of file
diff --git a/src/suou/dei.py b/src/suou/dei.py
index a49a398..8d0f326 100644
--- a/src/suou/dei.py
+++ b/src/suou/dei.py
@@ -21,8 +21,6 @@ from __future__ import annotations
 from functools import wraps
 from typing import Callable, Collection, TypeVar, Any
 
-from . import deprecated
-
 _T = TypeVar('_T')
 _U = TypeVar('_U')
 
@@ -117,7 +115,6 @@ class Pronoun(int):
 
 
 
-@deprecated('breaks the typing system somewhat; won\'t be removed tho')
 def dei_args(**renames: dict[str, str]):
     """
     Allow for aliases in the keyword argument names, in form alias='real_name'.
diff --git a/src/suou/signing.py b/src/suou/signing.py
index 55a950d..c2011ce 100644
--- a/src/suou/signing.py
+++ b/src/suou/signing.py
@@ -22,8 +22,11 @@ from itsdangerous import TimestampSigner
 from itsdangerous import Signer as _Signer
 from itsdangerous.encoding import int_to_bytes as _int_to_bytes
 
-from .itertools import rtuple
-from .codecs import jsondecode, jsonencode, want_bytes, want_str, b64decode, b64encode
+from suou.dei import dei_args
+from suou.itertools import rtuple
+
+from .functools import not_implemented
+from .codecs import jsondecode, jsonencode, rb64decode, want_bytes, want_str, b64decode, b64encode
 from .iding import Siq
 from .classtools import MISSING
 
@@ -32,6 +35,7 @@ class UserSigner(TimestampSigner):
     itsdangerous.TimestampSigner() instanced from a user ID, with token generation and validation capabilities.
     """
     user_id: int
+    @dei_args(primary_secret='master_secret')
     def __init__(self, master_secret: bytes, user_id: int, user_secret: bytes, **kwargs):
         super().__init__(master_secret + user_secret, salt=Siq(user_id).to_bytes(), **kwargs)
         self.user_id = user_id
diff --git a/src/suou/sqlalchemy/asyncio.py b/src/suou/sqlalchemy/asyncio.py
index 4061c34..b28f305 100644
--- a/src/suou/sqlalchemy/asyncio.py
+++ b/src/suou/sqlalchemy/asyncio.py
@@ -22,8 +22,8 @@ from functools import wraps
 
 from contextvars import ContextVar, Token
 from typing import Callable, TypeVar
-from sqlalchemy import Select, Table, select
-from sqlalchemy.orm import DeclarativeBase
+from sqlalchemy import Select, Table, func, select
+from sqlalchemy.orm import DeclarativeBase, lazyload
 from sqlalchemy.ext.asyncio import AsyncEngine, AsyncSession, create_async_engine
 
 try:
@@ -31,7 +31,8 @@ try:
 except ImportError:
     AsyncSelectPagination = None
 
-from ..exceptions import NotFoundError
+from suou.exceptions import NotFoundError
+from suou.glue import glue
 
 _T = TypeVar('_T')
 _U = TypeVar('_U')
@@ -125,11 +126,9 @@ class SQLAlchemy:
             self.engine, checkfirst=checkfirst
         )
 
-
+# XXX NOT public API! DO NOT USE
 current_session: ContextVar[AsyncSession] = ContextVar('current_session')
-"""
-XXX NOT public API! DO NOT USE
-"""
+
 
 def async_query(db: SQLAlchemy, multi: False):
     """
diff --git a/src/suou/sqlalchemy/orm.py b/src/suou/sqlalchemy/orm.py
index bfd6be1..ba022e7 100644
--- a/src/suou/sqlalchemy/orm.py
+++ b/src/suou/sqlalchemy/orm.py
@@ -18,6 +18,7 @@ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 
 
 
+from binascii import Incomplete
 import os
 import re
 from typing import Any, Callable, TypeVar
@@ -26,8 +27,10 @@ from sqlalchemy import BigInteger, Boolean, CheckConstraint, Column, Date, Forei
 from sqlalchemy.orm import DeclarativeBase, InstrumentedAttribute, Relationship, declarative_base as _declarative_base, relationship
 from sqlalchemy.types import TypeEngine
 from sqlalchemy.ext.hybrid import Comparator
+from suou.functools import future
 from suou.classtools import Wanted, Incomplete
 from suou.codecs import StringCase
+from suou.dei import dei_args
 from suou.iding import Siq, SiqCache, SiqGen, SiqType
 from suou.itertools import kwargs_prefix
 from suou.snowflake import SnowflakeGen
@@ -128,23 +131,6 @@ def username_column(
     return match_column(length, regex, case=case, nullable=nullable, unique=True, *args, **kwargs)
 
 
-EMAIL_RE_USERNAME = r"[a-z0-9-]+(\.[a-z0-9-]+)*"
-EMAIL_RE_DOMAIN = r"([a-z0-9-]+\.)+[a-z0-9-]{2,15}"
-EMAIL_RE_YESALIASES = EMAIL_RE_USERNAME + r"(\+" + EMAIL_RE_USERNAME + ")?@" + EMAIL_RE_DOMAIN
-EMAIL_RE_NOALIASES = EMAIL_RE_USERNAME + r"@" + EMAIL_RE_DOMAIN
-
-def email_column(
-    length: int = 256, *args, allow_aliases: bool = True, nullable: bool = False, unique: bool = True, **kwargs
-):
-    """
-    Construct a column containing a email address.
-
-    *New in 0.14.0*
-    """
-    return match_column(length, EMAIL_RE_YESALIASES if allow_aliases else EMAIL_RE_NOALIASES, case = StringCase.FORCE_LOWER,
-        unique = unique, nullable = nullable, *args, **kwargs)
-
-
 def bool_column(value: bool = False, nullable: bool = False, **kwargs) -> Column[bool]:
     """
     Column for a single boolean value.
@@ -155,6 +141,7 @@ def bool_column(value: bool = False, nullable: bool = False, **kwargs) -> Column
     return Column(Boolean, server_default=def_val, nullable=nullable, **kwargs)
 
 
+@dei_args(primary_secret='master_secret')
 def declarative_base(domain_name: str, master_secret: bytes, metadata: dict | None = None, **kwargs) -> type[DeclarativeBase]:
     """
     Drop-in replacement for sqlalchemy.orm.declarative_base()
diff --git a/src/suou/validators.py b/src/suou/validators.py
index 72daf57..349172a 100644
--- a/src/suou/validators.py
+++ b/src/suou/validators.py
@@ -74,7 +74,7 @@ def yesno(x: str | int | bool | None) -> bool:
     if isinstance(x, str):
         return x.lower() not in ('', '0', 'off', 'n', 'no', 'false', 'f')
     return True
-
+    
 
 __all__ = ('matches', 'must_be', 'not_greater_than', 'not_less_than', 'yesno')