- add unary negation to rle/rledict
- add apply, apply_values and apply_runs to rle/rledict
- add iter to rledict to for loop through keys/values
- subsetting an RLE with a dataframe now returns a dataframe
- printing rles respects terminal width
- add copy() to rledict
- add shift to rle/rledict
- add .length property to Rle which gives sum of runs
- allow for empty constructors (Rle() and PyRles())
- add .chromosomes property to rledict
- add len() to PyRles
- rledicts now also have a to_csv method
- add to_table to rledict