LGDtoolkit 0.1.0

1. stepFWD and stepRPC help page improved
2. stepFWD - bug fixed (p-value indexing in the stepwise iterations)

LGDtoolkit 0.2.0

1. Internal function summary.tbl renamed as summ.tbl to avoid S3 conflict
2. New functions:

• heterogeneity - validation of heterogeneity of the rating scale
• homogeneity - validation of homogeneity of the rating scale