Added reverse op.
Added interface for insert, remove and reverse.
Added index op.
Added Count Op
Fixed bug
Fixed bug
Fixed bug.
Interfaces no longer create a new instance on call
Fix and improvements.
Fix to extend and append eq
Added tests for sparse matrix
Added C interface for TypedListType, GetItem op, insert op, append op and extend op.
Removed line used for debug (minor)
Fixed merge error
Added C interface for reverse
Added error check
Fix exceptions
Fix and improvement.
Added Opt and tests.
Refactorized Opt. Improved opt tests.