Added code to save with one click: First avail ID
Changed comment
Added else for when ID exists
Changed method of acquiring max ID
Now tracks database cursor; should give back unused ID
Added minor comments
Merge pull request #170 from UPDDI/Issue-#159

Issue #159
Merge pull request #171 from UPDDI/Issue-#168

Issue #168
Added much needed + sign; targets now cumulative for species
Merge pull request #173 from UPDDI/Issue-#172

Added much needed + sign; targets now cumulative for species
Changed Assay index
Merge branch 'Issue-#168' of https://github.com/UPDDI/mps-database-server into Issue-#168