[FIX] exception in case of metlin request without configured token
[FEATURE] adapted to pyopenms-1.10.1
[FEATURE] removed direct access to Table.colTypes and Table.colFormats
[FIX] fixed broken metlin client

    metlin rest interface changed and sometimes returns answers
    which do not accord to the official specification
[FIX] fixed locale issue in _metabo.py
[FEATURE] better check for colum names with two underscores + enhancements

    - addColumns etc now check for "__" in the passed colum names
    - new counterparts as _addColumnsUnchecked
    - Table._create(..) for unchecked table creation
    - "format" args are named "format_" now
    - little cleanup
[FIX] fixed issue for expressions with indexed column + cleanup
[FIX] fixed comparisons of columns containing numpy arrays

    eg for column 'param' created by emzed integrators
[FIX] better error message for invalid metlin response
[FIX] fixed wrong res type in EMG for area=0
[FIX] fixed error for asym gauss for bad behaving peaks