Add parameter value recommendations where applicable

[macandleighs]

Goal: even though some parameters do not have easy interpretations and/or are very data dependent, Kodie suggested we could add suggested directions to move the parameters in, e.g. "if you are getting too many false positives decrease the lamdba value"

Changing default values and recommendations in doc strings

[tms-bananaquit]

Default values:

• [x] CUSUM
• [x] PH
• [x] ADWIN
• [x] DDM
• [x] EDDM
• [x] LFR
• [x] STEPD
• [x] CDBD
• [x] HDDDM
• [x] kdq-Tree
• [x] PCA-CD

Suggestions/interpretations:

• [ ] CUSUM
• [ ] PH
• [ ] ADWIN
• [ ] DDM
• [ ] EDDM
• [ ] LFR
• [ ] STEPD
• [ ] CDBD
• [ ] HDDDM
• [ ] kdq-Tree
• [ ] PCA-CD