Merge branch 'release-0.6.0' into development

Bumped release number to 0.6.0
Corrected the README.md file
Merge branch 'improvements' into development

Corrected the README.md file
IMPROVEMENTS:
- All search options are now supported.

FIXES:
- Unhandled error in command line tool when no results are found fixed.
- Corrected CURL URI so that multiple arguments are passed correctly.
Merge branch 'support-all-search-options' into development

IMPROVEMENTS:
- All search options are now supported.

FIXES:
- Unhandled error in command line tool when no results are found fixed.
- Corrected CURL URI so that multiple arguments are passed correctly.
Bumped version number to 0.7.0
Merge branch 'release-0.7.0'

IMPROVEMENTS:
- All search options are now supported.

FIXES:
- Unhandled error in command line tool when no results are found fixed.
- Corrected CURL URI so that multiple arguments are passed correctly.