backwards compatibility for databases with int phenotypes
[TST] unit tests for auto_dom tool.
[TST] unit tests for auto_rec tool.
[DOC] add --min-kindreds to auto_rec and auto_dom
[DOC] updates docs for comp_hets
[ENH] refactor/abstract auto_rec and auto_dom.  add --min-kindreds option.
cleaner
add index on gene column
remove debugging statement
Merge branch 'master' of github.com:arq5x/gemini