Merge pull request #71 from keithj/devel

String handling improvements
Merge pull request #72 from keithj/devel

Added --size CLI option
Merge pull request #73 from keithj/devel

Fix for object AVU search performance regression
Merge pull request #74 from keithj/devel

Added CLI options to make searching for collections or data objects selectable
Merge pull request #75 from keithj/devel

Updated tests for new search options.
Merge pull request #76 from keithj/devel

Fixed memory leak on detection of redundant SQL clauses
Merge pull request #77 from keithj/devel

Updated documentation
Merge pull request #78 from keithj/devel

Fixed a bug in restricting the scope of metadata queries
Merge pull request #81 from keithj/devel

Separate the listing of collections and the listing their contents
Moved collection contents to be a property of a collection. Thus we
can always return a JSON object as the outer container.