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[wvabrinskas]

• Fixed various bugs with RNN model and LSTM layer. Should be more consistent

• Moved auto calculation of biases to each layer so biases can more easily be controlled

• Standardized the axis definitions for mathematical operations on Tensor

  +--------+
  /        /|
  /        Z |
  +---X----+  |
  |        |  |
  |   -1   Y  +
  |        | /
  |        |/
  +--------+

  Along axis 0 the Tensor of shape AxBxC, where A is the columns, B is the rows, and C is the depth, would perform a mathematical function along the Y axis returning a (Ax1xC) Tensor

Along axis 1 the Tensor of shape AxBxC, where A is the columns, B is the rows, and C is the depth, would perform a mathematical function along the X axis returning a (1xBxC) Tensor

Along axis 2 the Tensor of shape AxBxC, where A is the columns, B is the rows, and C is the depth, would perform a mathematical function along the Z axis returning a (AxBx1) Tensor

Along axis -1 the Tensor of shape AxBxC, where A is the columns, B is the rows, and C is the depth, would perform a mathematical function along the Z axis returning a (1x1x1) Tensor Scalar