GH-92 Allow proc calls with empty params, and keep track of aliased SP
HPCCQueries to store aliases and their respective versioned query
HPCCDatabaseMetaData only reports info regarding default (aliased) query.
and now reports inputparam ordering.
SQLParser now allows empty params.
Added relevant test cases.

Signed-off-by: Rodrigo Pastrana <Rodrigo.Pastrana@lexisnexis.com>
GH-92 JDBC stored proc calls
-Minor changes from code review.
Merge pull request #93 from rpastrana/jdbc_queries

GH-92 Allow proc calls with empty params, and keep track of aliased SP