attempt to address #23
Merge pull request #28 from WestleyArgentum/int-issue

attempt to address #23
fix #21 : carriage return in string
API changes. fix #35

`parse` is no longer exported
`print_to_json` is now `print` and no longer exported
`to_json` is now `json` and IS exported
Merge pull request #34
Change travis url corresponding to github owner change
Update OUTPUT_STREAM to STDOUT.
serialize tuples as arrays (fixes #38)
Base.print_escaped is no longer exported
Convert objects with fields "re", "im" to Complex{Float64}.