Add perform_delete macros
Add more info on error
Add perform_put macro
Add get_json_value macro
Add support for binary or integer values and atom keys in queries
Add atom keys support in asser_json_value macro
Add asser_json_valueS macro
Add support for true-false values in queries
Merge branch 'master' of git://github.com/AntonSizov/etest_http
Formatting cleanup