Fixed filter toURI() usage of parentheses. Only use them for 2nd level Conjuntion and Disjunction filters.
Fixed filter toURI() usage of parentheses. Only use them for 2nd level Conjuntion and Disjunction filters.

informatics-isi-edu/ermrestjs,informatics-isi-edu/ermrestjs,informatics-isi-edu/ermrestjs