Release v0.1.dev7

Non-code Changes

• Basilisp source code is now released under the EPL 1.0

New Features

• Add loop special form (#317)
• Add Lisp repr support using LispObject abstract base class (#316)
• Python imports may be aliased like require using a vector (#319)
• The compiler emits a warning when a local symbol is unused (#314)
• The compiler can optionally emit a warning when a local name or Var name is shadowed (#303, #312)
• The compiler can optionally emit a warning when a Var reference requires indirection (#306)

Bug Fixes

• basilisp.core/ns-resolve can now resolve aliased symbols (#313)
• Python interop calls can now be made within threading macros (#308)