database KEGG and PubChem added

Signed-off-by: AK2083 <ankh.egypt.public@googlemail.com>
change database functions
to logical combination

Signed-off-by: AK2083 <ankh.egypt.public@googlemail.com>
add documentation and fix some bugs

Signed-off-by: AK2083 <ankh.egypt.public@googlemail.com>
changed manuals

Signed-off-by: AK2083 <ankh.egypt.public@googlemail.com>
adding search for compound id in PubChem

Signed-off-by: AK2083 <ankh.egypt.public@googlemail.com>
fixed some bugs in database access

Signed-off-by: AK2083 <ankh.egypt.public@googlemail.com>
fixed bugs in database

Signed-off-by: AK2083 <ankh.egypt.public@googlemail.com>
Merge branch 'master' of https://github.com/c-ruttkies/MetFragR into database
change paramters as list instead of chars or number.
some ids couldn't resolve as IAtomContainer in load.molecules.

Signed-off-by: AK2083 <ankh.egypt.public@googlemail.com>
some bugs fixed and possibility to run R CMD check

Signed-off-by: AK2083 <ankh.egypt.public@googlemail.com>
Merge branch 'master' of https://github.com/c-ruttkies/MetFragR into database
Merge branch 'master' of https://github.com/c-ruttkies/MetFragR into database
add set operations to IAtomContainer
(union, intersect, symmetric difference, asymmetric difference)

Signed-off-by: AK2083 <ankh.egypt.public@googlemail.com>
some bug fixes and add manuals

Signed-off-by: AK2083 <ankh.egypt.public@googlemail.com>
fixed bugs in setOperations and in the ranking function

Signed-off-by: AK2083 <ankh.egypt.public@googlemail.com>
- fixed some bugs
- add and complete vignette
- add parameter split to ranking function

Signed-off-by: AK2083 <ankh.egypt.public@googlemail.com>
- add pdf

Signed-off-by: AK2083 <ankh.egypt.public@googlemail.com>
Merge pull request #7 from AK2083/database

Database