reformat routes
reworked the rendering (skiped simplexml)
added EasyRdf for conversion to turtle
reworked rdf seralization now using RDF/PHP as base format

rendering to turtle, n3, rdf/xml and rdf/json now via EasyRdf vi PHP/RDF
fix for fields; homepage, platform
added external_description to output

Using blank nodes for this property
added suport for rdf retrival for single tools
refatoring of prefix resolving
updated base uri and added output format
huge changes in table names and attributes

all names is now lower case. lower case attributes.
changed all uid ot tablename_uid
Merge remote-tracking branch 'origin/RDF_DEV'
Merge branch 'master' of https://github.com/PonteIneptique/DASISHT23