Resolve "CLEANING: Server/Client renovation"

Closes #63

See merge request !44

Merge branch '63-cleaning-server-client-renovation' of gitlab.aip.de:yfournier/myplotlib into 63-cleaning-server-client-renovation

Merge branch 'progress_bar' of gitlab.aip.de:yfournier/myplotlib into 63-cleaning-server-client-renovation

Merge branch '63-cleaning-server-client-renovation' of gitlab:yfournier/myplotlib into 63-cleaning-server-client-renovation

newSyncFigure now accepts the data from the server. The data has still to be set on client side with syncFigFormatRawData

This Unpickler translate any pickled object into the correct (local) namespace.

Add the first functional test
1. to setup: ./setup_test_folder.sh
2. to test: python test_com.py
3. to clean: ./clean_test_folder.py

This branch aims to reimplement MplServer based on python socketserver. Additionally the objects are now serialized by pickle instead of our homebrew string representation. With this commit a remote call of readData is already working. If successful the classes Mplserver2 MplClient2 are drop in replacements for the unnumbered versions.

tested with mfdv2, not yet clean and too many verbose

tested and working, not yet very clean

not yet clean, need to see if pack/unpackRawdata are needed for server and myFig-client

need to unify message format:

STATUS/RECEIPT/SIGNAL: 'HEADER-fix-size MSG-fix-size STATUS-fix-size'
INSTRUCTIONS/DATA:     'HEADER-fix-size MSG-fix-size CONTENT-var-size'

the fixed size are configurable. if user need longer msg he can overwrite
class with constants.

The default pack/unpack of myAxes are just eval of
the string. Can be overloaded by user.

tested

tested

Status handling was wrong.

working as expected.

readData is now working with the clean version.

Only remaining issue the unpacking of the instruction, done in a
single step should be done in two step.

1. removing header
2. extracting the content of instructions

imports
not yet tested

readData should now work, need to be tested.