No longer let __init__ refer to io.py which only contains deprecated …

…functions, but instead use jsonparser.py

pyzx/__init__.py

@@ -25,7 +25,7 @@
 from .simplify import *
 from .optimize import *
 from .extract import *
-from .io import *
+from .graph.jsonparser import *
 from .tensor import *
 from .local_search.simulated_annealing import anneal
 from .local_search.genetic import GeneticOptimizer

pyzx/graph/jsonparser.py

@@ -14,6 +14,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+__all__ = ['string_to_phase','to_graphml']
+
 import json
 import re
 from fractions import Fraction