[fix bug 824892] Fix duplicate results in /people/ API queries
[fix bug 786614] Display an error when user selects an invalid date.
Merge pull request #326 from akatsoulas/786614

[fix bug 786614] Display an error when user selects an invalid date.
Merge pull request #327 from johngian/824892

[fix bug 824892] Fix duplicate results in /people/ API queries