Fix frame decoding (#224)

* add tests and dbc for frame decoding
* add unpack code from altendky,
this fixes wrong decoding frames  (#119)
* adoption of altendky's pack/encode code
* Update setup.py
add dbc-files in test folder to egg
* fix pypy compatibility
* split frame decoding tests into multiple tests
remove not needed python version checking
* Add encoding tests.
* fix frame encoding (#119)
* add docstrings for frame encoding/decoding (#119)
* make python2 happy (#224)
* cleanups (less version dependencies )
* Update src/canmatrix/canmatrix.py
Co-Authored-By: ebroecker <[email protected]>
* Update src/canmatrix/canmatrix.py
Co-Authored-By: ebroecker <[email protected]>
* Add .sym based test from #235
* fixup for py2
* work on altendkys review finding for #224

fixed all relevant findings.

Author: ebroecker

setup.py

@@ -84,6 +84,7 @@
 
     packages = find_packages("src"),
     package_dir = {"": "src"},
+    package_data = {"canmatrix" : ["tests/*.dbc"]},
     entry_points={'console_scripts': ['cancompare = canmatrix.compare:main',
                                       'canconvert = canmatrix.convert:main']}
 )