move feed data to dedicated data access objects
- move data access objects to own namespace
- use setters in constructor
- make setters protected as data is not supposed to be changed
- remove validation for country field (Yahoo Weather API documentation says it's a country code but it's really the full country name)
- add Units data access object
- fix $systemOfUnits parameter in Feed.php class constructor
- fix feed URL template
remove var_dump()
add Wind data access object
add Atmosphere data access object
add Condition data access object
- reorder methods in Feed.php in order of field appearance in the Yahoo! Weather API feed
- make call to Feed::fetchData() implicit when giving a location ID in the constructor
- extract feed loading and namespace registering from Feed::fetchData() into separate methods
- add fluent interface to Feed::fetchData()
- add usage of Condition data access object
- update inline documentation to reflect new package structure
- raise version number to 0.2.0
- update README.md with usage example
- add sample script
Merge pull request #3 from Random-Host/revamp

Moved data into data access objects for easier and more modern handling.