It's was implemented unintentionally and the unintentional
implementation doesn't work and causes a crash.

supported: len, cap, imag, real, complex

Fixes #312

Fixes #301

packagename.SomeFunction should match
github.com/someuser/packagename.SomeFunction since the former is
the familiar syntax.
To disambiguate between io.SomeFunction and
github.com/someuser/somepackage/io.SomeFunction specify one extra
slash at the start of the location specifier: /io.SomeFunction.

Fixes Issue #296

Fixes #288

Use m[n:] to skip the first n keys of a map
Map indexing is implemented with a linear scan

Implements #61, #122

Pretty print will print them with the format:
chan <element type> <queued elements>/<queue size>

TestStacktraceGoroutine would occasionally fail due to race
conditions in the test itself

Print and set need to receive their argument unsplit to support
complex expressions

Supported operators:

- All (binary and unary) operators between basic types except <-,
++ and -- (includes & to take the address of an expression)
- Comparison operators between supported compound types
- Typecast of integer constants into pointer types
- struct members
- indexing of arrays, slices and strings
- slicing of arrays, slices and strings
- pointer dereferencing
- true, false and nil constants

Implements #116, #117 and #251

The new contents of api.Variable are documented in
proc/variables.go.

Implements #243

Use runtime.allgs instead of runtime.allg that has been removed in
https://github.com/golang/go/commit/5a68eb9f25a2a6290800278df972e04a4085cee3

Instead of trying to be clever and make an 'educated guess' as to where
the flow of control may go next, simple do the more naive, yet correct,
approach of setting a breakpoint everywhere we can in the function and
seeing where we end up. On top of this we were already setting a
breakpoint at the return address and deferred functions, so that remains
the same.

This removes a lot of gnarly, hard to maintain code and takes all the
guesswork out of this command.

Fixes #281

Three locations are returned for goroutines: its current location,
its current location excluding unexported runtime functions and
the location of its go instruction.
The command 'goroutines' takes a new parameter to select which
location to print (defaulting to current location w/o runtime)

Fixes #253

Fixes #275

Fixes #273

Replaces a lot of ugly Makefile nonsense with a script that codesigns
the test binary before it runs. Only applicable to OSX test runs.

Only used under Linux, no need to have it available on Process itself.

Prevents a lot of goroutines hanging around, especially when running
tests.

This adds support for breakpoints statistics

Fixes #247

Additionally removes test code / html / txt / etc from vendor dir.