swdft 1.0.0

Major revision of almost everything, including: - S3 objects for all models (“swdft_mod”) and the swdft (“swdft”) - New complex demodulation, matching demodulation, cosine regression, and local cosine regression functions.
- All notation aligns w/ PhD thesis

swdft 0.0.1

First CRAN Release. Aligns w/ first arXiv submission