64bits: activate
del: outputs
bugfix: 64 bit Long/solve_l.tst
fix: 64 bits Long/paraplane.tst
fix: 64bit nlIntMod, positive result
Fixed the target path for public kernel headers
refrence to modules.pdf
toward poly as number
Merge pull request #592 from adipopescu/64Singular

64 Bits
more changes for 64bit: number representation in Q
fix: 64bit number in Q: ssi