matrico 0.2

• ADDED matrico-cite
• ADDED (re)export of fpmath by matrico
• ADDED instrumentation and statistical profiling targets
• CHANGED rename matrico-help to matrico-about
• CHANGED rename and adapt fp+* and mx+* to fp*+ and mx*+
• CHANGED rename fpdirac and mx-dirac to fpdelta and mx-delta
• IMPROVED argument checking
• IMPROVED performance
• REMOVED mx-dist
• REMOVED mx-repeat
• ... and many minor updates and fixes.