v0.3.0

Features

• Add constant_ and orthogonal_
• Add Linear and ConjugatedLinear
• Add Projector and ConjugatedProjector
• Add optimizer Aku interfaces, i.e., SGD and Adam
• Add scheduler Aku interfaces, i.e., InverseDecay and Fixed
• Add GTU activation function
• Add SizedBatchSampler to support customized batch size
• Add meters, i.e., AverageMeter, AccuracyMeter, ClassificationMeter, and TimeMeter
• Add hooks, i.e., summary, load_checkpoint, save_checkpoint
• Add naive pipe for contextual word representation, i.e., CtxPipe