Pre-release version bumps; test fixes for latest mesh/ganache versions (#2363)

* Use pre-release ver's for tests against deployment

* Pre-release version number bumps

* pin sra_client dev deps to prereleases

for testing against deployed package

* middlewares: incl doctest in tests of deployment

* Unpin mesh, use new snapshot, & pay protocol fees

* .gitignore gen'd wrappers for new contracts

* test build_tx() & support for empty TxParams.from_

* fix doc: fill TAKERAssetAmount, not maker...

python-packages/json_schemas/setup.py

@@ -143,7 +143,7 @@ with open("README.md", "r") as file_handle:
 
 setup(
     name="0x-json-schemas",
-    version="1.1.1",
+    version="2.1.0.dev2",
     description="JSON schemas for 0x applications",
     long_description=README_MD,
     long_description_content_type="text/markdown",
@@ -165,7 +165,7 @@ setup(
     install_requires=["jsonschema", "mypy_extensions", "stringcase"],
     extras_require={
         "dev": [
-            "0x-contract-addresses",
+            "0x-contract-addresses==3.0.0.dev3",
             "bandit",
             "black",
             "coverage",