Merge pull request #4 from SumoLogic/chr-isearch

Session-based search API
More error codes.
Cleaning up version tags, adding methods to SumoLogic.
POST should expect 201 status code.
Some refactoring.
SUMO-12582 Merge branch 'master' of github.com:SumoLogic/sumo-java-client into chr-isearch

Conflicts:
	src/main/java/com/sumologic/client/SumoLogic.java