Useful little functions commit.
Initial commit
Merge branch 'master' of https://github.com/dpegan271/ULF
added fvsaveinvest, logn_ptile_balance, mvfrontier, ptable, etc.
bug update.
Updated DESCRIPTION file.
Include AC_COLS function, and import package..
Added a few more functions
Updated mvfrontier and xGetSymbols to not subset.
Updated Xignite apis for token access.
pdated mvfrontier with aaf_v2d - for VTI only, no value tilts.
Updated MV Frontier to have aaf_v3
Added round2 and percentize, improved mvfrontier
Included simple AAF_V1 function
Fixed mis-naming of mvfrontier
Fixed misaligned commenting code block for example.
Made AAF_V1_simple a function.
Rebuild.
Added Yield Curve function and updated varying return projection balance.
Updated mvfrontier to have aaf_bm compatibility.