Random tests for all Boolean operators and library functions.
Merge branch 'master' of https://github.com/cwi-swat/rascal.git
Random tests for all node operators and library functions
Random tests for all string operators and library functions.
Merge branch 'master' of https://github.com/cwi-swat/rascal.git
Merge branch 'master' of https://github.com/cwi-swat/rascal.git