better formatting of columns and extra properties, indexing a subset of rows now returns a matrix instead of list of double[], better preserving of name columns, etc
added reverse iterator and positioned iterators for traversing regions
fix phenotype not correctly handled
add validation that sexes are consistent with relationships
Support for accessing regions by list of indices, delete obsolete fields
Add extra property pass through for more consistent code
more meta data to alleles and helper methods for getting VEP consequences
fix failure on missing phenotype
Add simple helper class for making line drawings
force display of exception, flush db