About to go to column-major only
Built for the first time.
Hid a lot of expressions behind Const/Mutable
Added T() method to concrete types

Shrunk some of the expression code.
Expanded on documentation
Tweaked documentation around in-place operations.
Added matrix multiplication routines
Added Col() and Row() methods to concrete types

Renamed Column() to Col().
Renamed Reshape to Unvec, added distinct Reshape
Added Stack and Augment
Added brief comment for each file
Updated to match vec (Copy not CopyTo)
Updated to match vec (Append not AppendToVector)
Added script to generate zmat
Put expressions in terms of vector expressions

Made documentation separate for real matrices.
Moved ./ into mat/
Merge branch 'master' of ../go-mat