Merge branch 'casper'
    Added multinomial PMF + Correctness check
array class: Disable row method inherited from the vector class.
- array.row(i) would give i'th row in the underlying vector (!)
- Trigger compile error if a user applies the row method.
Added information to README.md for installation on Mac OS 10.9 Mavericks because the fortran libraries on CRAN do not work in latest Mac OS
Merge pull request #34 from djhocking/master

Added information to README.md for installation on Mac OS 10.9 Mavericks...
minor doc changes
Merge branch 'master' into hans
array: Allow single argument subset x(i) in any dimension.
- Recent commit enabled maps to work with matrices, but had the side effect to disable the same feature for arrays. With current commit this should be fixed.
matrix_arrays.cpp: array.row() invalid
Merge branch 'traps'
Update TODO.md
New example to demonstrate 'map' feature and ragged arrays.
added diff function
remove parenthesis in return statement of diff
added a new line at end of convenience.hpp
Merge pull request #40 from mebrooks/master

added diff function
Disable try-error output tracing
added logit and invlogit functions
pdf manual: How to disable tracing output.
documented DATA_IVECTOR
Merge pull request #44 from mebrooks/master

added logit and invlogit functions