feat : created "failling" unit test for scheduler : a graph too big will lead to an exponential exec time

Support for recurrent networks

See merge request !77

Resolve "Cannot get attribute of Reshape_Op in Python"

See merge request !81

Move computeOutputDims() function from GenericOp to OpTensor python binding so that more Operators can use it

Move computeOutputDims() function from GenericOp to OpTensor python binding so that more Operators can use it

Dataprovider iterator

See merge request !86

[Add] broadcasting for Arithmetic Operators

See merge request !65