revert last commit due to a memory problem, i will make a branch
revert last commit due to a memory problem, i will make a branch

JGrothoff/open62541,AGIsmail/open62541,StalderT/open62541,AGIsmail/open62541,JGrothoff/open62541,open62541/open62541,JGrothoff/open62541,bostjanv/open62541,jpfr/open62541,bostjanv/open62541,jpfr/open62541,JGrothoff/open62541,jpfr/open62541,open62541/open62541,StalderT/open62541,StalderT/open62541,open62541/open62541,open62541/open62541,StalderT/open62541,jpfr/open62541