working version of new Im object, loading key image data from OMERO
updated Im class docstring and a few other comments
improved Im docstring formatting
added im() method to Omg for Img creation from im_id
added __init__.py
added __repr__ method to image
added a bunch of empty methods and TODOs to Omg and Im
moved creation of unique image name into module utility method
updated a few iomero comment mistakes, renamed _set_meta, added blank store_meta() comment
moved Im class to separate impy module, commented out refs in iomero
tracking (broken) impy module - Im initialization buggy
fixed impy Im object init
impy.Im, default meta set before any meta provided to __init__
fixed ump Omg.im method to work with external impy.Im
fixed up iomero and impy.Im init, adding in omero Ids
added default 'um' units to omg.im() metadata
iomero: comment pointing to useful webclient code added
added support for changing groups to Omg
changed impy Im.nc,...,nx to Im.shape tuple
added attachment downloading to Omg.get