Inline any_defined_by clause and trim whitespace in test data.
Fix issue 10.

Parse SIZE constraints on defined types.
Support GraphicString.
Add public test data file for Huawie call charging.
Added click CLI interface plsu virtualv files.
Updated README.txt
Merge branch 'master' of https://github.com/kimgr/asn1ate into single_value_constraint
Added list for SingleValueConstraint.

Added the handling for the SingleValueConstraint to be a
handled as a list. Added some extra samples in builtin_types.