Version bump to 0.0.0
Added 'COntributing to apigen'
Added jewler to project
added specific versions
added VERSION file
moved apigen_cli to bin/ folder
renamed apigen_cli to apigen
created parse_config method in bin/apigen
added executables to Gemspec
added generate_config method to bin/apigen
simplified config template
added class attr to config
Added support for multi endpoints in apigen.json
Fixed broken spec in apigen_compiler_spec