Fixed setup.cfg and added pyproject.toml

Author: KOLANICH

pyproject.toml

@@ -0,0 +1,3 @@
+[build-system]
+requires = ["setuptools >= 36.7.0", "wheel >= 0.23.0"]
+build-backend = "setuptools.build_meta"

setup.cfg

@@ -3,9 +3,9 @@ name = kaitaistruct
 version = attr: kaitaistruct.__version__
 author = Kaitai Project
 author_email = greycat@kaitai.io
-url = http://kaitai.io
+url = https://kaitai.io
 description = Kaitai Struct declarative parser generator for binary data: runtime library for Python
-long_description = file: README.rst
+long_description = file: README.md
 license = MIT
 keywords = kaitai, struct, construct, ksy, declarative, data structure, data format, file format, packet format, binary, parser, parsing, unpack, development
 classifiers = 
@@ -31,16 +31,18 @@ zip_safe = True
 include_package_data = True
 py_modules = kaitaistruct
 python_requires = >=2.7,!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*
+install_requires =
+    enum34; python_version < "3.4"
+setup_requires =
+    setuptools >= 36.7.0
+    wheel >= 0.23.0
 
 [bdist_wheel]
 # This flag says that the code is written to work on both Python 2 and Python
 # 3. If at all possible, it is good practice to do this. If you cannot, you
 # will need to generate wheels for each Python version that you support.
 universal=1
 
-[build-system]
-requires = ["setuptools", "wheel"]
-
 [pycodestyle]
 max-line-length = 140
 statistics = True