Merge pull request #295 from YueRen/warnings

Warnings
fix: p_DegW(0) is now -LONG_MAX (interpeter problem)
fix: add P_Normalize to definiteGcdCancellation/ntNormalize
Added n_Print for printing numbers during debugging
Warning elimination (cast of int to void*)
DeRahm - related changes
Removed 'TRACE=3; option(prot)' output from tests
add: new function singclap_gcd_and_divide
chg: added brackets around floating numbers

fixed latex lib and updated res files