Correction bug #18
- add a unique constraint
- add the original tag to the list (to be able to diffeerentiate)
- return 400 bad request when necessary
- catch that in the js to display an error message
<?xml version="1.0" encoding="UTF-8"?>
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<name>hdabo</name>
<comment></comment>
<projects>
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<buildSpec>
<buildCommand>
<name>org.python.pydev.PyDevBuilder</name>
<arguments>
</arguments>
</buildCommand>
</buildSpec>
<natures>
<nature>org.python.pydev.pythonNature</nature>
</natures>
</projectDescription>