Changes Version 0.0.4
  o The number of lags are now specified in a single argument as a successive sequence of integers 1:Nlag 
  o Missing data is now accomodated: if an observation is missing, the next lag-many observations are excluded from calculations for the VAR coefficients
  o The print output while running the LCVARClust has been replaced with a progress bar
  o the runtime of the algorithm was decreased through parallelization and vectorization of the functions
  o The runtime of the algorithm in minutes is now shown in the console and provided in the output