v. 1.2 Added two functions (r2.gelman & r2.multilevel) to calculate R-squared of multilevel models
corrected some errors in v1.2

Merge branch 'master' of github.com:Pakillo/pacotools

Conflicts:
	R/r2.gelman.R
	R/r2.multilevel.R
	man/r2.gelman.Rd
	man/r2.multilevel.Rd