Initial implementation
See xp-framework/rfc#283
Implement BufferedInputStream::pushBack()
Merge branch 'master' into feature/pushback-buffered-stream
Reorganize tests for util.collections.HashTable
Fix using arrays in keys and values
See xp-framework/xp-framework#361
QA: Use short form and "use" statement
Add tests for array access for reading, writing, removing and testing
Test HashTable::size() method
QA: WS
Remove array_keys() calk inside keys() and values()
Respect `use` statements when creating generic types
Fixes xp-framework/core#20
Add tests verifying hashCode() is called for keys and values
Fix xp-framework/core#20
Initial implementation supporting simple module.xp files
QA: Simplify code in declareModule()
QA: Simplify code inside declareModule()
Initialize modules after done bootstrapping
Use assertInstanceOf() instead of deprecated assertClass()
Merge branch 'master' into ideas/modularity-1
Initial tests for modules