Fix parser to support expressions like x[3][4] (two consecutive array accesses). Fixes #9.
Fix parser to support expressions like x[3][4] (two consecutive array accesses). Fixes #9.

nathanielbaxter/libminizinc,nathanielbaxter/libminizinc,jjdekker/libminizinc,nathanielbaxter/libminizinc,tias/libminizinc,jjdekker/libminizinc,nathanielbaxter/libminizinc,jjdekker/libminizinc,jjdekker/libminizinc,tias/libminizinc