Bumped to ruby-oci8 2.1.2
to work with "should execute function with cursor parameter and return record"
Add how to execute ruby-plsql unit tests
Add `to_i` to show correct DATABASE_PORT number

Ruby ENV['DATABASE_PORT'] returns as a String.
`@port == 1521` always becomes false
because the @port class is String but 1521 is a Fixnum.
Merge pull request #39 from yahonda/database_port_fixnum

Add `to_i` to show correct DATABASE_PORT number
Merge pull request #38 from yahonda/howtoexecuteunittests

Add how to execute ruby-plsql unit tests
Merge pull request #29 from yahonda/function_with_cursor_parameter_with_ruby-oci8_211

Bumped to ruby-oci8 2.1.2 to work with "should execute function with cursor parameter and return record"
Use ruby-oci8 only when platform is :ruby
Merge pull request #40 from yahonda/ruby_oci8_when_mri_only

Use ruby-oci8 only when platform is :ruby