Create a latex spillover table like in Barunik, Krehlik (2015)
createSpilloverTable(tot, decomposition_a, decomposition_r, nams,
format = "%1.1f", sep = "-")
a matrix usually from spilloverDY12 or spilloverDY09
a list of matrices containing absolute decomposition typically from spilloverBK12
a list of matrices containing within decomposition typically from spilloverBK12
names of the variables
a format of the output numbers
a separator in the decomposition