Moved all Git code into Atomic.cs
Added DotSettings
Replaced GitSharp with LibGit2Sharp
Set DeaCompany to All Scopes
Fleshed out Get- and Remove-Account Cmdlets
Fleshed out Get- and Remove-Period cmdlets
Fleshed out *-Txn and Add-TxnItem cmdlets
Caught and ignored EmptyCommitException
Switched Amount to Decimal; Added balancing check.