Merge pull request #32 from keithj/devel

Added functions to modify permissions of iRODS data objects
Merge pull request #33 from keithj/json-chmod

Added functions to obtain JSON ACLs for data objects and collections
Merge pull request #34 from keithj/acl-and-date-queries

Added get_user function
Merge pull request #36 from keithj/devel

Final changes for release 0.7.0
Merge pull request #37 from keithj/devel

Pre-release fixes to autotools setup
Merge pull request #38 from keithj/devel

Fix for invalid free call on query_out struct
Merge pull request #39 from keithj/devel

Adjustments to test configuration for Linux
Merge pull request #40 from keithj/devel

Added --unbuffered command line flag