measure index corrupted after multibar rest

[SKebig]

When added a multibar rest in existing MEI-file all following measures have n=Nan.

[SKebig]

<section>
                        <pb/>
                        <measure n="1" label="0" xml:id="measure_f0eb38ab-4101-4d64-990a-bc4f4790f5d2" facs="#zone_853a9200-5dcf-4e62-b736-17ba38e92d0c"/>
                        <measure n="2" label="1" xml:id="measure_da850458-3529-4124-aacb-ca3363258d2b" facs="#zone_ac6a4d8c-cbe4-4b6f-999c-cae257d40c59"/>
                        <measure n="3" label="2" xml:id="measure_18b8466b-a6ee-421b-8930-ec0d99bd29ca" facs="#zone_4c316ebd-41e6-466b-8925-edf48f45e509"/>
                        <measure n="4" label="3" xml:id="measure_cb4091da-a5c8-4dee-8c5d-5437338f624a" facs="#zone_21924a26-e7b9-4964-bd69-aa0ce4965c1e"><staff n="1"><layer><multiRest num="3"/></layer></staff></measure>
                        <measure n="NaN" label="6" xml:id="measure_ef6907c2-267f-4a5a-a0fe-6d61bfad2520" facs="#zone_50d6f3eb-1c33-4fe9-b20b-66c0d0f6cb50"/>
                        <measure n="NaN" label="7" xml:id="measure_cede571d-2c87-45b3-90cb-e786113f720d" facs="#zone_523486f0-32ca-486d-9b02-6f6000b39779"><staff n="1"><layer><multiRest num="3"/></layer></staff></measure>
                        <sb/>
                        <measure n="NaN" label="10" xml:id="measure_80f4dac2-feac-4184-b470-fa96e36b5b6a" facs="#zone_cfd17d8c-86ca-4992-aa38-b559db4a99d9"><staff n="1"><layer><multiRest num="2"/></layer></staff></measure>
                        <measure n="NaN" label="12" xml:id="measure_be978287-a3ab-4cbf-86ba-68c57e7fb6c0" facs="#zone_5d6fc6ba-db62-42bd-8bc3-b279070448a5"/>
                        <measure n="NaN" label="13" xml:id="measure_76c54b7d-2829-43bf-8b14-749ea8310f0b" facs="#zone_e5b50f24-aa67-4f62-a9c9-3f2569dd12dc"/>
                        <measure n="NaN" label="14" xml:id="measure_694f4041-b5e0-4035-864c-5f04c21c0262" facs="#zone_e5f7692b-2eaa-4566-b592-011045c07864"/>
                        <measure n="NaN" label="15" xml:id="measure_1d60161c-ae99-43be-aad2-343492db6fd7" facs="#zone_3b1e36e0-1d3a-479d-b709-1ae1fc96299f"/>
                        <measure n="NaN" label="16" xml:id="measure_6e21d879-621c-4fbb-af70-a590ecda3662" facs="#zone_404ccebc-f0c2-4fc8-a342-71cf93cd22c8"/>

[hizclick]

I tried to resolve this issue with PR #23 . @SKebig can you test it?

[hizclick]

Resolved with commit af0096d