diff --git a/chainlib/cli/__init__.py b/chainlib/cli/__init__.py
index a182b3a..b587477 100644
--- a/chainlib/cli/__init__.py
+++ b/chainlib/cli/__init__.py
@@ -3,6 +3,7 @@ from .base import (
         argflag_std_read,
         argflag_std_write,
         argflag_std_base,
+        reset,
         )
 from .arg import ArgumentParser
 from .config import Config
diff --git a/chainlib/cli/arg.py b/chainlib/cli/arg.py
index b29e356..2036e9a 100644
--- a/chainlib/cli/arg.py
+++ b/chainlib/cli/arg.py
@@ -50,8 +50,8 @@ class ArgumentParser(argparse.ArgumentParser):
     :type epilog: str
     """
 
-    def __init__(self, arg_flags=0x0f, env=os.environ, usage=None, description=None, epilog=None):
-        super(ArgumentParser, self).__init__(usage=usage, description=description, epilog=epilog, formatter_class=argparse.RawDescriptionHelpFormatter)
+    def __init__(self, arg_flags=0x0f, env=os.environ, usage=None, description=None, epilog=None, *args, **kwargs):
+        super(ArgumentParser, self).__init__(usage=usage, description=description, epilog=epilog, formatter_class=argparse.RawDescriptionHelpFormatter, *args, **kwargs)
     
         self.process_flags(arg_flags, env)
         self.pos_args = []
diff --git a/chainlib/cli/base.py b/chainlib/cli/base.py
index d3121ac..446e89b 100644
--- a/chainlib/cli/base.py
+++ b/chainlib/cli/base.py
@@ -2,7 +2,6 @@
 import enum
 import os
 
-
 script_dir = os.path.dirname(os.path.realpath(__file__))
 
 default_config_dir = os.path.join(script_dir, '..', 'data', 'config')
@@ -39,3 +38,9 @@ argflag_std_read = 0x23ff
 argflag_std_write = 0xff31ff
 argflag_std_base = 0x200f
 argflag_std_target = 0x00e000
+argflag_all = 0xffffff
+
+def reset(flags, v):
+    mask = ~(argflag_all & v)
+    r = flags & mask
+    return r
diff --git a/chainlib/cli/config.py b/chainlib/cli/config.py
index a1a3c01..8716958 100644
--- a/chainlib/cli/config.py
+++ b/chainlib/cli/config.py
@@ -35,6 +35,15 @@ class Config(confini.Config):
     default_base_config_dir = default_parent_config_dir
     default_fee_limit = 0
 
+
+    @staticmethod
+    def override_defaults(base_dir=None, default_fee_limit=None):
+        if base_dir != None:
+            Config.default_base_config_dir = os.path.realpath(base_dir)
+        if default_fee_limit != None:
+            Config.default_fee_limit = int(default_fee_limit)
+
+
     @classmethod
     def from_args(cls, args, arg_flags=0x0f, env=os.environ, extra_args={}, base_config_dir=None, default_config_dir=None, user_config_dir=None, default_fee_limit=None, logger=None, load_callback=logcallback, dump_writer=sys.stdout):
         """Parses arguments in argparse.ArgumentParser instance, then match and override configuration values that match them.
@@ -157,7 +166,6 @@ class Config(confini.Config):
         config.process()
 
         config.add(getattr(args, 'raw'), '_RAW')
-        
 
         args_override = {}
 
diff --git a/chainlib/cli/rpc.py b/chainlib/cli/rpc.py
index 93db1c4..fd76b01 100644
--- a/chainlib/cli/rpc.py
+++ b/chainlib/cli/rpc.py
@@ -113,3 +113,7 @@ class Rpc:
         :returns: Wallet address in canonical string representation
         """
         return self.wallet.signer_address
+
+
+    def get_signer_address(self):
+        return self.get_sender_address()
diff --git a/requirements.txt b/requirements.txt
index 2ea3d62..1a6813d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
-crypto-dev-signer>=0.4.15a1,<=0.4.15
+crypto-dev-signer>=0.4.15rc2,<=0.4.15
 pysha3==1.0.2
 hexathon~=0.0.1a8
diff --git a/setup.cfg b/setup.cfg
index 56f552a..255edb3 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = chainlib
-version = 0.0.9a9
+version = 0.0.9rc1
 description = Generic blockchain access library and tooling
 author = Louis Holbrook
 author_email = dev@holbrook.no