Add graph string validation and upgrade template

[louiswesterheide]

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Coverage Report

File	Stmts	Miss	Cover	Missing
init.py	0	0	100%
testing.py	54	14	74%	74 88-92 101 105 109 113 126-127 131 135
dataintegration/init.py	0	0	100%
dataintegration/context.py	57	0	100%
dataintegration/description.py	180	16	91%	46 134-135 139 149 154 168 174 210 224 226 233 348 389 397-398
dataintegration/discovery.py	49	36	27%	27 38-43 55-62 64 66-68 70 84-85 87-90 92-93 95-100 106 108
dataintegration/entity.py	31	3	90%	41 66 86
dataintegration/plugins.py	30	5	83%	23 27 31 35 50
dataintegration/ports.py	15	1	93%	32
dataintegration/types.py	115	13	89%	70-71 87 99 107 120 155 159-161 171 175 276
dataintegration/parameter/init.py	0	0	100%
dataintegration/parameter/choice.py	23	1	96%	26
dataintegration/parameter/code.py	52	0	100%
dataintegration/parameter/dataset.py	33	5	85%	30-32 51 54
dataintegration/parameter/graph.py	53	8	85%	47 72 75 78-80 90-91
dataintegration/parameter/multiline.py	4	4	0%	3 6 9-10
dataintegration/parameter/password.py	26	13	50%	11-13 17 34-37 39-40 47-49
dataintegration/parameter/resource.py	17	0	100%
dataintegration/typed_entities/init.py	6	0	100%
dataintegration/typed_entities/file.py	136	30	78%	71 75-76 80-81 85-86 90 93 96 149 160-161 183 205 207 225-230 235 253 256-261
dataintegration/typed_entities/quads.py	99	57	42%	90-106 135-139 142-146 149 159 162 179-186 189 192-194 196 199 202-208 210 213-216 219
dataintegration/typed_entities/typed_entities.py	28	2	93%	56-57
dataintegration/utils/init.py	38	13	66%	23 25 29 39-46 49-50
dataintegration/utils/entity_builder.py	86	0	100%
TOTAL	1132	221	80%

Tests	Skipped	Failures	Errors	Time
37	1 💤	0 ❌	0 🔥	30.944 ⏱