version "1.1.5"

issue: #15

new updates

• ndim Matmul & 1-d & 2-d dot products support
• reshape array functionality
• removed unnecessary micrograd code
• fixed the sum, mean, var & std functions
• added new det function
• fixed the broadcasting error in __add__ & __mul__ functions
• fixed the RNNcell & RNN class in axon.micro