fixes ruby < 2.0 compatibility problems in 0.9.163

* ruby 1.8.* hash syntax problems in uia
https://github.com/calabash/calabash-ios/issues/281

* ruby < 2.0 Kernal.caller argument problem
https://github.com/calabash/calabash-ios/issues/279
Merge pull request #283 from jmoody/0.9.163-m01-deprecated-compat-problem

fixes ruby < 2.0 compatibility problems in 0.9.163