Version 1.0.0

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.
• Detailed vignette with high-level introduction to the main functions.
• All notation aligns w/ PhD thesis