Merge pull request #37 from yjbanov/master

Fixnum type annotation fixes. Enforced checked mode.
Re-enable named parameters.
Add test for named parameters.
Merge pull request #40 from alxhub/readd-named-parameters

Readd named parameters to resource methods.
Template change to fix bug.
Test fixes.
Merge pull request #41 from alxhub/master

Fix bug in named parameters to requests: Not specifying a parameter actually adds 'null' to the parameters map.
Add missing containsKey to _ErrorEntity
Uniform library names in tests
Fix path/query parameter encoding in request URIs