add debug logging for base service request and response params
handle differing response types for getTestProjectByName between 1.9.5+
XMLRPC API and older versions
add createTestCaseCustomFieldDesignValue to available methods
add helper method to get TestImportance enum from an integer
add customfieldvalue and updaterlogin params
TestLinkAPI:
- added updater, importance, and order to updateTestCase
- fixed using action variable instead of hardcoding action in
createTestCaseSteps
- updated getTestCaseCustomFieldDesignValue to use full external id
- add createTestCaseCustomFieldDesignValue
- added supporting response params
- test case updates for updateTestCase fields

TestCaseService:
- added fullExternalId and version as return params for createTestCase
- fix setting test case name, updater, and execution type in
updateTestCase
- fix update test case error message

Util:
- added order and importance field setting for getTestCase
- added extracting full external id field from execution results in
getTestCase
Merge branch 'master' of ../testlink-java-api

Conflicts:
	src/main/java/br/eti/kinoshita/testlinkjavaapi/TestCaseService.java
	src/main/java/br/eti/kinoshita/testlinkjavaapi/TestLinkAPI.java
	src/main/java/br/eti/kinoshita/testlinkjavaapi/constants/TestLinkMethods.java
	src/test/java/br/eti/kinoshita/testlinkjavaapi/testcase/TestSetTestCaseExecutionType.java
add back in updateTestCase test