[Tolk] Bump version to v0.7

Totally, v0.7 will include:
- AST-level semantic kernel, transform AST to Ops directly
- fully rewritten type system, drop Hindley-Milner
- `bool` type support

crypto/smartcont/tolk-stdlib/common.tolk

@@ -1,7 +1,7 @@
 // Standard library for Tolk (LGPL licence).
 // It contains common functions that are available out of the box, the user doesn't have to import anything.
 // More specific functions are required to be imported explicitly, like "@stdlib/tvm-dicts".
-tolk 0.6
+tolk 0.7
 
 /**
   Tuple manipulation primitives.

crypto/smartcont/tolk-stdlib/gas-payments.tolk

@@ -1,5 +1,5 @@
 // A part of standard library for Tolk
-tolk 0.6
+tolk 0.7
 
 /**
   Gas and payment related primitives.

crypto/smartcont/tolk-stdlib/lisp-lists.tolk

@@ -1,5 +1,5 @@
 // A part of standard library for Tolk
-tolk 0.6
+tolk 0.7
 
 /**
     Lisp-style lists are nested 2-elements tuples: `(1, (2, (3, null)))` represents list `[1, 2, 3]`.

crypto/smartcont/tolk-stdlib/tvm-dicts.tolk

@@ -1,5 +1,5 @@
 // A part of standard library for Tolk
-tolk 0.6
+tolk 0.7
 
 /**
     Dictionaries are represented as `cell` data type (cells can store anything, dicts in particular).

crypto/smartcont/tolk-stdlib/tvm-lowlevel.tolk

@@ -1,5 +1,5 @@
 // A part of standard library for Tolk
-tolk 0.6
+tolk 0.7
 
 /// Usually `c3` has a continuation initialized by the whole code of the contract. It is used for function calls.
 /// The primitive returns the current value of `c3`.

tolk/tolk-version.h

@@ -18,6 +18,6 @@
 
 namespace tolk {
 
-constexpr const char* TOLK_VERSION = "0.6.0";
+constexpr const char* TOLK_VERSION = "0.7.0";
 
 } // namespace tolk