version bump to v1.1.2
Create headers field in VCRHTTPResponse. Fixes #117.
Tests for VCRHTTPResponse headers field.
String in request body should be bytes.
test_boto_stubs passes again.
Merge pull request #119 from telaviv/make_boto_tests_pass_again

test_boto_stubs passes again.
Merge pull request #118 from rtaboada/fix-response-stub-headers-field

Create headers field in VCRHTTPResponse. Fixes #117.
Remove warning message caused by lack of is_verified property on HTTPSConnection stub.