update install

add lock to ignore

more flexible barcode style (#4)

* add much more flexibility

* update tests

* simplify grid

* fix name

fix singleton logic

fixes

Improved_classes (#3)

* rm deprecated line

* begin class simplification

* add things

* rm test files

* swap open-append to single open

* upgrade to cleaner class-based system

* add file view to tests

* simplify

* fix tests, add circular

* prohibit circular and regions

* update docs and readme

* fix tests

2.1 changes (#2)

* fix

* revert to pywgsim.core call

* use pywgsimcore 0.6, add better error handling

* set N molecules min to 2 prior to singletons, change to draw from exponential

* rm tempfiles

* little updates

* rm debug code

force a commit

update docs

update docs