Added various tests on objects which were not tested so far
Added tests for Galois groups and Artin representations
Adding new import scripts for number fields.
refactored ec stats as a class
minor tidying up of ECstats class
fix minor typo in ec stats page
Merge pull request #187 from jwj61/master

Adding new import scripts for number fields.
Merge pull request #189 from JohnCremona/ec-refactor

Ec refactor
Merge pull request #181 from nmascot/Coverage

Coverage and tests
Adding utf8 comment to new testing files
Merge pull request #190 from jwj61/master

Adding utf8 comment to new testing files
refactored elliptic curve isogeny classes to use their own class
new encode_plot function in utils
Use stored isogeny matrices instead of recomputing on the fly
Part 3 of elliptic curve refactoring: WebEC class
tidying up elliptic curve isogeny class page
Changing how subfields of a number field are stored.  We used to use a list of coefficients of a defining polynomial stored as integers, but ran over the 8-bit limit for mongo integers.  Now the coefficients are stored as a string.
Fix comment (error from copying/pasting from someone else's file).
Merge pull request #193 from JohnCremona/ec-refactor

Ec refactor
Merge pull request #192 from jwj61/master

Changing how subfields of a number field are stored.