Update README.md
revisions
Create a new board named NUCLEOF401RE
added this board to Makefile
modified build_platform_config.py to avoid "module not found error"
Commented out NUCLEOF401RE=1

So as not to break other boards default behaviour of make
Added status of NUCLEOF401RE board

Very alpha status so far!!
Memory sizes modified to maximise the use of flash and ram
Merge branch 'master' of github.com:asez73/Espruino
Fix bug allObjects found with iterating over undefined
Undo commit that totally broke the test process :(
Merge branch 'master' of github.com:espruino/Espruino
sigh
Fix ArrayBuffer.sort issue with element size >1
Fix network de-initialisation on Linux
Fix reference count issue caused by removing a timer that had already been removed
Merge branch 'master' of https://github.com/asez73/Espruino into asez73-master

Conflicts:
	Makefile
Merge branch 'asez73-master'
switch to -Os
Merge pull request #436 from asez73/patch-1

Added status of NUCLEOF401RE board in README.md
a-Makefile is now able to flash with the current user who connected the NucleoF401RE to the USB port
b-NUCLEOF401RE.py describes correctly the flash parameters: save() works correctly and flashing Espruino doesn't removes what has been saved.
c-seWatch doesn't work yet
d-Arduino's pins are not prefixed with 'Arduino.' yet
e-UART6 has to be checked
Merge pull request #439 from asez73/master

Makefile and save() updated for NUCLEOF401RE