purged the last numba refs

fixed small issue introduced by last commit

removed numba as a dependency

Fixed e2cnn version requirement

improve implementation of real space calibration

fixed version match operator to '=='

Added version 1.7.0 of e2cnn to the requirements. Added file containing Warnings when the plug-in is being run at the Nion User PC

added error log in pyerror.txt. Thanks in advance!

added new_model_test.ipynb for testing the just added model

added map_location arg to make cpu version work

Merge remote-tracking branch 'origin/master'

updated model code and added GPU gaussian filter

added new weights file for graphene

trying to fix installation issue on UserPC with version numbering

added egg path to .gitignore for pip dev install (-e)