====Bug-fix and new features tasks====
  * <todo @Fernando> Kernel: Document basics</todo>
  * <todo @Fernando> Add GPIO toggle in the core class and connect to oscilloscope </todo>
  * <todo @Nikos #engineer:2018-12-14> Update new Studio from BitBucket and test new ext command Buttons </todo>
  * <todo @Fernando #engineer:2018-12-13> More than 4 parameters</todo>
  * <todo @Fernando #engineer:2018-11-04> Call external command file(s) to automate code build </todo>
  * <todo @Nikos #engineer:2018-12-14> Confirm An update on Studio will NOT delete Projects directory</todo>
  * <todo>I2C and I2C-GLCD are working only with LPC1768, fail with STM32F401,L152 and nRF52 (os5) to investigate/solve</todo>	
  * <todo @Fernando #engineer:2018-10-30>Investigate: Using 2 nodes of the same type, the parameters changed on one, change also in the 2nd node</todo>
  * <todo> SimpleSerial does not work with os5</todo>
 

  * <todo @Nikos> Blink example for different CPUs (LPC1768, LPC11U35, STM32L152, STM32L432, nRF52832</todo>
  * <todo @Nikos @Fernando>Define/Implement a  sharing method for the Blink examples</todo>
  * <todo @Fernando>feasibility review for commit, push, pull, update from inside Studio using hg from Python</todo>
  * <todo> Share Projects mechanism (our server or bitbacket with a kind of automation?)</todo> 
  * <todo> Store nodes, no need for internet connection at Studio startup</todo>
  * <todo> Internal signals as events to be used as inputs to nodes, in style: registering event for callback </todo>
  * <todo> At the code templates http://www.n-blocks.net/panel.php?p=author, to be clear how the parameters are passed</todo>
  * <todo> New automatic installation</todo>
  * <todo @Fernando> rtos: Simple examples for building a project without the graphics environment</todo>
  * <todo> Define a node version management methodology, avoid braking working projects with new node versions</todo>