Updated description how the printing of an error message is caused (and nothing is wrong: neither in the input nor in the current program behaviour - the message should just surpressed).
Note qtikz and ktikz as TikZ editors.
Ignore knitr cache.
Take a look at knitr and highr again in a few month.
Clarified NEWS.
Fixed typo.
Fixed typo.
Corrected/improved documentation for graphTest. Added support for 'entangledMCP' objects.
Function 'graphTest' takes 'entangledMCP' objects as graph parameter.
Function 'graphGUI' takes objects of class 'entangledMCP' as graph argument.
Validity function of class 'entangledMCP' checks whether subgraphs are of class 'graphMCP'.